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News articles on remote sensing

Mongabay.com news articles on remote sensing in blog format. Updated regularly.









Researchers create global map of world's forests circa 1990

(10/14/2014) Researchers have created a global map of the world's forests in the year 1990, enabling accurate comparisons between past and current deforestation rates. The GIS data underpinning the map is available at LandCover.org.


Brazil confirms last year's rise in Amazon deforestation

(09/12/2014) Brazil's National Space Agency INPE has officially confirmed last year's rise in Amazon deforestation.


World's rainforests could be mapped in 3D at high resolution by 2020 for under $250M

(09/05/2014) Mapping the world's tropical forests with a fleet of airplanes outfitted with advanced LiDAR could rapidly and accurately assess global forest carbon stocks for a fraction of the cost of a typical Earth observation satellite mission — and far less than field-based sampling — argues a new paper published in Carbon Balance and Management.


Invasive species worsen damage from Hawaii's storms

(08/22/2014) Damage from Hurricane Iselle, which recently battered Hawaii's Big Island, was exacerbated by invasion of non-native tree species, say experts who have studied the transformation of Hawaii's native forests. selle, which made landfall on the Big Island on August 7, was the third-strongest tropical cyclone to hit Hawaii since 1950. It caused upwards of $50 million in damage.


Stunning high-resolution map reveals secrets of Peru's forests

(07/30/2014) Peru’s landmass has just been mapped like never before, revealing important insights about the country's forests that could help it unlock the value healthy and productive ecosystems afford humanity.


Palm oil company clears rainforest in New Guinea

(07/29/2014) An Indonesian Stock Exchange-listed company whose commissioner is a member of The Nature Conservancy-Indonesia's board has been clearing dense rainforest in New Guinea, finds a new report from Greenomics-Indonesia. The report is based on analysis of data from Global Forest Watch, NASA satellites, Indonesia's Ministry of Forestry, and company documents.


Targeted enforcement saved a Massachusetts-worth of Amazon rainforest in 3 years

(07/24/2014) Targeted law enforcement efforts via Brazil's green municipalities programs were responsible for reducing deforestation by 10,653 square kilometers — an area the size of Massachusetts — between 2009 and 2011, argues a paper published in the journal Land Use Policy.


Phone-based logging alert system eyes expanding to the Amazon

(07/23/2014) After exceeding an ambitious fundraising target to launch a near-real time forest monitoring system in the Congo Basin, a San-Francisco based start-up is now eyeing expansion in the Amazon where it hopes to help an indigenous rainforest tribe fight illegal logging.


30% of Borneo's rainforests destroyed since 1973

(07/16/2014) More than 30 percent of Borneo's rainforests have been destroyed over the past forty years due to fires, industrial logging, and the spread of plantations, finds a new study that provides the most comprehensive analysis of the island's forest cover to date. The research, published in the open-access journal PLOS ONE, shows that just over a quarter of Borneo's lowland forests remain intact.


NASA successfully launches carbon-sensing satellite

(07/02/2014) On Wednesday NASA successfully launched the Orbiting Carbon Observatory-2 (OCO-2), a satellite that will track carbon dioxide in the atmosphere.


Despite moratorium, Indonesia now has world's highest deforestation rate

(06/29/2014) Despite a high-level pledge to combat deforestation and a nationwide moratorium on new logging and plantation concessions, deforestation has continued to rise in Indonesia, according to a new study published in Nature Climate Change. Annual forest loss in the southeast Asian nation is now the highest in the world, exceeding even Brazil.


Discarded cell phones to help fight rainforest poachers, loggers in real-time

(06/24/2014) A technology that uses discarded mobile phones to create a real-time alert system against logging and poaching will soon be deployed in the endangered rainforests of Central Africa. Rainforest Connection (RFCx), a San Francisco-based non-profit startup, is partnering with the Zoological Society of London (ZSL) to install its real-time anti-deforestation technology at sites in Cameroon. 30 RFCx devices — recycled from old Android handsets — will monitor 10,000 hectares or nearly 40 square miles of rainforest, listening for audio signals associated with logging and poaching.


Wilmar to investigate palm oil company allegedly destroying orangutan forest

(06/23/2014) A Wilmar supplier is allegedly destroying orangutan habitat in Indonesian Borneo, potentially putting it in breach of the plantation giant's zero deforestation policy, reports Greenomics. According to analysis of satellite data by Greenomics, PT Sumatera Jaya Agro Lestari (SJAL) has cleared an area of forest that is classified as orangutan habitat.


Using Google Earth to protect uncontacted tribes in the Amazon rainforest

(06/19/2014) In 2008, images of an uncontacted tribe in the Amazon rainforest in Brazil created ripples. With bodies painted in bright colors, members of the tribe aimed their arrows at a Brazilian government plane flying overhead, occupants of which were attempting to photograph the tribe to prove their existence. Now, a new study has found another way to survey such tribes safely and remotely—using satellite images.


RSPO plantations publicly mapped for the first time

(06/04/2014) A global map of the world's Roundtable on Sustainable Palm Oil (RSPO) certified oil palm plantations is available for the first time.


Next big idea in forest conservation? Crowdsourced forest monitoring

(04/25/2014) In the Brazilian Amazon, deforestation alerts are being submitted via smartphones. On the ground technicians send alerts to a database stored in 'the cloud.' This information is added to maps, which, along with satellite imagery, are used to inform law enforcement. And the speed of this process is getting real results.


Brazil to test drones in monitoring the Amazon rainforest

(04/24/2014) Brazilian municipalities are planning to use drones to map properties and monitor forest cover as they move to step up enforcement of the country's Forest Code, reports The Financial Times.


NASA detects surge in deforestation in Malaysia, Bolivia during first quarter of 2014

(04/21/2014) Forest disturbance in Malaysia, Bolivia, Panama, and Ecuador surged during the first quarter of 2014, according to NASA data.


Forests in Indonesia's concession areas being rapidly destroyed

(04/10/2014) Forest clearing within areas zoned for timber, logging, oil palm, and mining accounted for nearly 45 percent of deforestation in Indonesia between 2000 and 2010, finds a new study that examined forest loss within industrial concessions.


Deforestation tracking system recognized with global innovation award

(03/19/2014) A global deforestation tracking tool developed by Mongabay and NASA has been honored as a Finalist for the 2013 Katerva Award.


New forest map for Sarawak reveals large-scale deforestation, encroachment on indigenous territories

(02/24/2014) A new online platform released by the Bruno Manser Fund reveals large-scale destruction of Sarawak's rainforests, peatlands, and traditional lands. Drawing from a variety of sources, the Sarawak Geoportal includes data on logging concessions, oil palm plantations, existing and proposed dams, historical forest cover, the extent of indigenous cultivated areas, election results, and area where there are current native customary rights (NCR) disputes.


Google forest data now available for download

(02/14/2014) The University of Maryland, Google, and other partners have made available a trove of forest cover data for download.


Next big idea in forest conservation? Using drones to catch poachers, monitor forests

(01/24/2014) At the foothills of the Himalayas, elephants, rhinoceroses, and tigers stir in the green forests. Protecting and monitoring these animals and the health of tropical forests worldwide is a significant challenge, often requiring large amounts of time, money and risk. Fortunately, an affordable new tool is soaring into the conservation sphere: autonomous flying vehicles, or drones. Lian Pin Koh, is a founding director of the non-profit ConservationDrones.org, which builds capacity in the use of drones for conservation in the developing tropics.


Rainforest news review for 2013

(12/26/2013) 2013 was full of major developments in efforts to understand and protect the world's tropical rainforests. The following is a review of some of the major tropical forest-related news stories for the year. As a review, this post will not cover everything that transpired during 2013 in the world of tropical forests. Please feel free to highlight anything this post missed via the comments section at the bottom. Also please note that this review focuses only on tropical forests.


Democratizing forest monitoring on a global scale

(12/17/2013) Efforts to map and analyze deforestation and forest degradation got a boost today when Stanford University announced a new online course that provides training on how to use advance forest monitoring software. The course, which is freely available via Stanford University Online Learning, could immediately increase the capacity of environmentalists, forest managers, and researchers to track changes in forest cover.


Conventional satellite imagery may underestimate forest clearing for subsistence agriculture

(12/09/2013) Analysis of forest cover using medium-scale satellite imagery may miss deforestation for small-scale subsistence agriculture, finds a study published in the journal Environmental Research Letters.


Brazil could boost agriculture without destroying forests

(12/03/2013) Brazil could substantially boost its agricultural output while increasing protection of its native ecosystems, finds a new analysis published by the Climate Policy Initiative (CPI), an international think tank.


Video: the conservation drone revolution

(11/29/2013) The use of small autonomous flying vehicles — model airplanes to hobbyists — is revolutionizing the field of conservation, enabling researchers to track wildlife, monitor for poachers, and survey inaccessible forests and reefs.


Google Earth reveals fish catch is 6 times greater than thought in Persian Gulf

(11/27/2013) Google Earth has once again been used by researchers for scientific discovery.


Mangrove ecosystems being obliterated in Myanmar

(11/27/2013) Mangrove cover in Myanmar's Ayeyarwady Delta declined by nearly two-thirds between 1978 and 2011, leaving coastal areas more vulnerable to disasters like Cyclone Nargis, which killed 138,000 people in 2008, finds a new study published in the journal Global Environmental Change. The research, led by a team of scientists from the National University of Singapore and Mangrove and Environmental Rehabilitation Network in Yangon, is based on remote sensing and field data.


Video: Incredible technology maps rainforest biodiversity in 3D

(11/26/2013) Technology that enables scientists to catalogue a rainforest's biodiversity in stunning detail by airplane was highlighted in a recent TED talk. Speaking at TED Global in Edinburgh, Scotland this past June, researcher Greg Asner explained the science behind his ground-breaking forest mapping platform: the Carnegie Airborne Observatory (CAO), an airplane packed with advanced chemical and optical sensors.


Malaysia has the world's highest deforestation rate, reveals Google forest map

(11/15/2013) Malaysia had the world's highest rate of forest loss between 2000 and 2012, according to a new global forest map developed in partnership with Google. Malaysia's total forest loss during the period amounted to 14.4 percent of its year 2000 forest cover. The loss translates to 47,278 square kilometers (18,244 square miles), an area larger than the country of Denmark.


Deforestation accelerates in Indonesia, finds Google forest map

(11/14/2013) Forest loss in Indonesia has sharply risen over the past 12 years, reports a new study published in the journal Science. The study, led by Matt Hansen of University of Maryland, finds that Indonesia lost 15.8 million hectares between 2000 and 2012, ranking it fifth behind Russia, Brazil, the United States, and Canada in terms of forest loss. Some 7 million hectares of forest regrew during the period.


Zero net deforestation is the wrong target, warn experts

(11/14/2013) Environmental initiatives that target zero net deforestation may miss their mark when it comes to slowing climate change and protecting biodiversity, warns a commentary published in this week's issue of the journal Science. While zero net deforestation may seem like a worthy target in efforts to curb forest loss, Sandra Brown and Daniel Zarin argue that the goal is at best, ambiguous, and at worst, may lead to perverse outcomes for the world's forests.


Powered by Google, high resolution forest map reveals massive deforestation worldwide

(11/14/2013) Researchers today released a long-awaited tool that reveals the extent of forest cover loss and gain on a global scale. Powered by Google's massive computing cloud, the interactive forest map establishes a new baseline for measuring deforestation and forest recovery across all of the world's countries, biomes, and forest types. The map has far-reaching implications for efforts to slow deforestation, which accounts for roughly ten percent of greenhouse gas emissions produced by human activities, according to the authors of the paper that describes the tool and details its first findings.


Bolivia, Madagascar, China see jump in forest loss

(11/01/2013) Loss of forest cover increased sharply in Bolivia, Madagascar, and Ecuador during the third quarter of 2013, according to an update from NASA scientists.


Gold mining in the Amazon rainforest surges 400%

(10/28/2013) The extent of gold mining in the Peruvian Amazon has surged 400 percent since 1999 due to rocketing gold prices, wreaking havoc on forests and devastating local rivers, finds a new study published in the Proceedings of the National Academy of Sciences (PNAS). The assessment, led by Greg Asner of the Carnegie Institution for Science, is based on a combination of satellite imagery, on-the-ground field surveys, and an advanced airplane-based sensor that can accurately measure the rainforest canopy and sub-canopy vegetation at a resolution of 1.1 meters (42 inches).


Video of Amazon gold mining devastation goes viral in Peru

(09/26/2013) Video of illegal gold mining operations that have turned a portion of the Amazon rainforest into a moonscape went viral on Youtube after a popular radio and TV journalist in Peru highlighted the story. Last week Peruvian journalist and politician Guido Lombardi directed his followers to video shot from a wingcam aboard the Carnegie Airborne Observatory (CAO), an airplane used by researchers to conduct advanced monitoring and analysis of Peru's forests. The video quickly received more than 60,000 views on Youtube.


Brazil's satellite data suggests rise in Amazon deforestation over past year

(09/12/2013) Deforestation in the Brazilian Amazon appears to have risen significantly over the past year, according to data released by the country's space agency, INPE. Data aggregated from INPE's monthly deforestation alert system shows a 34 percent rise for the 12 months ended July 31, 2013 relative to the year-earlier period.


Indonesia should convert logging concessions to protected areas to stop deforestation for plantations, argues study

(09/05/2013) Reclassifying logging concessions as permanent forest estates and thereby barring them from conversion to industrial plantations would be an effective strategy for helping conserve Indonesia's fast-dwindling forests, argues a new study published in PLoS ONE. The study analyzed forest loss in areas zoned for different uses in Indonesian Borneo. It found that deforestation rates in timber concessions and protected areas were 'not significantly different' provided logging concessions were not reclassified as industrial plantation concessions.


Deforestation surges as Ecuador kills Amazon protection plan

(09/04/2013) Data released this week by Terra-i, a collaborative mapping initiative, shows that deforestation in Ecuador for the first three months of 2013 was pacing more than 300 percent ahead of last year's rate. The report comes shortly after Ecuadorean President Rafael Correa killed off a proposed plan to prohibit oil drilling in Yasuni National Park in exchange for payments equivalent to half the value of the park's unexploited oil.


With deforestation rising, Brazil sends more police to the Amazon

(08/19/2013) With deforestation pacing more than 90 percent ahead of last year's rate according to an estimate released today, Brazil said it has increased the number of environmental inspectors in the Amazon rainforest.


Deforestation alerts for Madagascar, DRC, Bolivia during Q2-2013

(08/16/2013) Loss of forest, woodland, and savanna increased sharply in Madagascar, the Democratic Republic of the Congo (DRC), and Bolivia during the second quarter of 2013, reports a new assessment by NASA scientists.


Researchers produce the most accurate carbon map for an entire country

(07/22/2013) Researchers working in Panama have produced the most accurate carbon map for an entire country. Using satellite imagery and extremely high-resolution Light Detection and Ranging (LiDAR) data from airplane-based sensors, a team led by Greg Asner produced a detailed carbon map across the Central American country's forests. The map reveals variations in forest carbon density resulting from elevation, slope, climate, vegetation type, and canopy coverage.


Deforestation rate falls in Congo Basin countries

(07/22/2013) Deforestation has fallen in Congo Basin countries over the past decade despite a sharp increase in the rate of forest clearing in the Democratic Republic of the Congo, according to a new study published in the Philosophical Transactions of the Royal Society B as part of a set of 18 papers on the region's tropical forests. The special issue, which was put together by Oxford University's Yadvinder Malhi, covers a range of issues relating to the rainforests of the Congo Basin, including deforestation, the impacts of global change, the history and key characteristics of the region's forests, and resource extraction, among others.


Deforestation rate doubles in the Amazon rainforest, says group

(07/19/2013) Deforestation in the Brazilian Amazon is up 103 percent over this time last year, reports the latest assessment by Imazon, a Brazil-based NGO.


80% of rainforests in Malaysian Borneo logged

(07/17/2013) 80 percent of the rainforests in Malaysian Borneo have been heavily impacted by logging, finds a comprehensive study that offers the first assessment of the spread of industrial logging and logging roads across areas that were considered some of Earth's wildest lands less than 30 years ago. The research, conducted by a team of scientists from the University of Tasmania, University of Papua New Guinea, and the Carnegie Institution for Science, is based on analysis of satellite data using Carnegie Landsat Analysis System-lite (CLASlite), a freely available platform for measuring deforestation and forest degradation. It estimated the state of the region's forests as of 2009.


Scientists build app to automatically identify species based on their calls

(07/16/2013) New technology makes it possible to automatically identify species by their vocalizations. The platform, detailed in the current issue of the journal PeerJ, has been used at sites in Puerto Rico and Costa Rica to identify frogs, insects, birds, and monkeys. Many of the animals identified by the system are typically difficult to spot in their natural environment, but audio recordings of their calls reveal not only their presence but also their activity patterns.


Haze fires concentrated in deforested peatlands, not forest areas, confirms satellite analysis

(07/10/2013) A new mapping tool based on NASA satellite data confirms that the majority of fires that drove the recent haze over Sumatra and Malaysia were concentrated in deforested peatlands and scrub, rather than natural forest areas.


Brazil confirms Amazon deforestation increase

(07/06/2013) Data released by the Brazilian government Friday confirms an increase in Amazon forest loss.


Cause of haze? Up to 87% of recent deforestation in fire zone due to palm oil, timber

(06/26/2013) New analysis of land cover in Riau Province reveals the outsized role industrial plantations play in driving deforestation and associated haze. The analysis, conducted by Eyes on the Forest, finds that up to 56% of deforestation in Riau between 2007 and 2012 can be linked to timber plantations for pulp and paper production. The figure for oil palm plantations may be as high as 31%.


Deforestation rates for Amazon countries outside Brazil

(06/26/2013) Deforestation has sharply increased in Amazon countries outside of Brazil, finds a new analysis based on satellite data. Using data from Terra-i, O-Eco's InfoAmazonia team has developed updated forest cover maps for Bolivia, Colombia, Ecuador, Guyana, French Guyana, Peru, Suriname and Venezuela. The results reveal an increasing trend in forest clearing since 2004.


Peru opens deforestation data to the public, shows drop in Amazon forest clearing

(06/13/2013) Peru has made its comprehensive deforestation data available to the public.


NASA: Deforestation jumps in Malaysia

(06/10/2013) Deforestation jumped during the first three months of 2013 in Malaysia, Nepal and Mexico, according to a forest tracking tool developed by a team of NASA researchers.


NASA: 3% of Amazon rainforest burned between 1999-2010

(06/08/2013) 33,000 square miles (85,500 square kilometers) or 2.8 percent of the Amazon rainforest burned between 1999-2010 finds new NASA-led research that measured the extent of fires that smolder under the forest canopy.


Data from NASA's Landsat 8 now freely available

(06/02/2013) Data from NAA's Landsat 8 is now freely available, enabling researchers and the general public to access images captured by the satellite within twelve hours of reception. Landsat 8 launched this February and has been capturing images since April. The satellite orbits Earth every 99 minutes and captures images of every point on the planet every 16 days, beaming 400 high resolution images to ground stations every 24 hours.


Deforestation in the Brazilian Amazon pacing 88% higher than last year's rate

(05/18/2013) Satellite analysis by a Brazil-based NGO indicates that deforestation in the Brazilian Amazon continues to pace well ahead of last year, when the government passed a weakened version of its law governing use of forest lands.


Researchers develop highest-resolution global forest cover dataset to date

(05/17/2013) Researchers at the University of Maryland have developed a 30-meter resolution forest cover data set that could boost efforts to track deforestation and forest degradation.


Google Time-lapse offers view of Earth over 3 decades

(05/10/2013) Google has released a series of time-lapse images showing global change between 1984 and 2012. The images are sourced from NASA's Landsat mission, a series of Earth-observation satellites that have orbited the planet since 1972, providing scientists, policymakers, and the general public with a wealth of data and imagery used for a wide range of applications.


Entire planet will soon have rapid deforestation detection system

(04/09/2013) World Resources Institute (WRI) today previewed a long-awaited tool that could revolutionize global forest monitoring, reports the UN Forum on Forests, which is meeting this week in Istanbul, Turkey.


Conservation gets boost from new Landsat satellite

(04/03/2013) Efforts to monitor the world's forests and other ecosystems got a big boost in February with the launch of Landsat 8, NASA's newest earth observation satellite, which augments the crippled Landsat 7 currently orbiting Earth (technically Landsat 8 is still named the Landsat Data Continuity Mission (LDCM) and will remain so until May when the USGS turns control of the satellite over to NASA). Landsat 8/LDCM is the most advanced Earth observation satellite to date. It is the eighth Landsat since the initial launch in 1972.


Brazilian govt confirms rise in deforestation

(03/28/2013) Brazil's National Space Research Agency INPE today confirmed an apparent rise in Amazon forest clearing for the four-month period ending February 28, 2013.


Deforestation in key Madagascar park accelerated after 2009 coup d'etat, finds satellite analysis

(03/18/2013) Deforestation and forest disturbance in Madagascar's largest national park increased significantly less than a year after a coup displaced the country's democratically-elected president in 2009, finds a new study that analyzed forest cover in Masoala National Park.


A promising initiative to address deforestation in Brazil at the local level

(03/05/2013) The history of the Brazilian Amazon has long been marked by deforestation and degradation. Until recently the situation has been considered out of control. Then, in 2004, the Brazilian government launched an ambitious program to combat deforestation. Public pressure—both national and international—was one of the reasons that motivated the government to act. Another reason was that in 2004, deforestation contributed to more than 55 percent of Brazil’s total greenhouse gas emissions, making Brazil the fourth-largest greenhouse gas emitter in the world.


Is APP deal a sign of a changing forestry sector?

(02/15/2013) Asia Pulp & Paper (APP), one of the world’s largest paper companies, announced earlier this month that it will no longer cut down natural forests in Indonesia and will demand similar commitments from its suppliers. The announcement was received with guarded optimism by Greenpeace, Rainforest Action Network, World Wildlife Fund, and other NGOs who have waged a persistent campaign to change APP’s forest policies.


Rate of tree die-off in Amazon higher than conventionally believed

(02/01/2013) The rate of tree mortality in the Amazon rainforest due to storm damage and drought is 9-17 percent higher than conventionally believed, reports a study published in the Proceedings of the National Academy of Sciences (PNAS).


NASA data registers strong deforestation signals in Sumatra, Borneo, Brazil, Gabon

(01/29/2013) NASA satellites picked up signals of extensive potential deforestation in Sumatra, Borneo, Central Africa, the Brazilian and Peruvian Amazon, the Chocó in Colombia and Ecuador, and the Chaco region of Paraguay between October 1 and December 31, 2012, according to the latest update on Mongabay.com's Global Forest Disturbance Alert System (GloF-DAS).


Amazon deforestation rate pacing ahead of last year

(01/18/2013) Data released by Imazon, a Brazil-based NGO, shows that deforestation in the Brazilian Amazon continues to pace well ahead of last year's record low rate.


Advanced technology reveals massive tree die-off in remote, unexplored parts of the Amazon

(12/12/2012) Severe drought conditions in 2010 appear to have substantially increased tree mortality in the Western Amazon, a region thought largely immune from the worst effects of changes occurring in other parts of the world's largest rainforest, reported research presented last week at the fall meeting of the American Geophysical Union (AGU). The findings suggest that the Amazon may face higher-the-expected vulnerability to climate change, potentially undercutting its ability to help mitigate greenhouse gas emissions by absorbing carbon dioxide through faster growth.


Deforestation rate falls across Amazon rainforest countries

(12/06/2012) The average annual rate of deforestation across Amazon rainforest countries dropped sharply in the second half of the 2000s, reports a comprehensive new assessment of the region's forest cover and drivers of deforestation. While the drop in deforestation in the Brazilian Amazon has been widely reported, several other Amazon countries saw their rates of forest loss drop as well, according to the report, which was published by a coalition of 11 Latin American civil society groups and research institutions that form the Amazonian Network of Georeferenced Socio-Environmental Information (RAISG).


Brazil's deforestation at record low from 2011-2012

(11/27/2012) Deforestation in the Brazilian Amazon fell to the lowest rate since annual record-keeping began in 1988 according to provisional data released Tuesday by Brazil's National Space Research Agency (INPE). 1,798 square miles (4,656 square kilometers) of Amazon forest was chopped down during the 12 months ending July 31, 2012, 27 percent less than the year earlier period.


Amazon deforestation tracking higher in Brazil

(11/16/2012) Deforestation in the Brazilian Amazon continues to rise off historic lows according to satellite data released this week by Imazon, a Brazil-based NGO.


Featured video: on-the-ground look at Brazil's fight against deforestation

(11/15/2012) A new video by the Guardian takes an on-the-ground look at Brazil's efforts to tackle deforestation in the Amazon. Using satellite imagery, an elite team of enforcement agents are now able to react swiftly to illegal deforestation. The crackdown on deforestation has been successful: destruction of the Amazon has slowed by around 75 percent in the last 8 years.


Indonesia could plant 14.5m ha of oil palm in Borneo without further deforestation

(10/31/2012) Indonesia could establish some 14.5 million hectares of oil palm plantations in Borneo without needing to clear rainforest or high-carbon peatlands, finds a new interactive mapping tool developed by the World Resources Institute (WRI).


Amazon deforestation jumps in August

(09/22/2012) Satellite imagery released by the Brazil's National Space Research Institute (INPE) reveals a sharp jump in deforestation during the month of August. The new data, which wasn't publicized by usual press release on INPE's homepage, was first highlighted by O Eco, a Brazilian environmental news site.


New forest map shows 6% of Amazon deforested between 2000 and 2010

(09/21/2012) An update to one of the most comprehensive maps of the Amazon basin shows that forest cover across the world's largest rainforest declined by about six percent between 2000 and 2010. But the map also reveals hopeful signs that recognition of protected areas and native lands across the eight countries and one department that make up the Amazon is improving, with conservation and indigenous territories now covering nearly half of its land mass.


Forest expands 3% in Colombia during 2000s, but loss grows in llanos region

(09/04/2012) Colombia gained nearly 17,000 square kilometers of forest between 2001 and 2010 as forests recovered in mountainous regions in the Andes, reports a new study published in the journal PLoS One.


Flooded savannas in Latin America shrinking 3 times faster than rainforests

(08/22/2012) Flooded grasslands and savannas in Latin America are disappearing nearly three times faster than tropical rainforests in the region, finds a new study published in the journal Biotropica.


Dry forests disappearing faster than rainforests in Latin America

(08/21/2012) Countries across Latin America lost 78,000 square kilometers of subtropical and tropical dry broadleaf forests between 2001 and 2010, according to a new satellite-based assessment published in the journal Biotropica.


Independent assessment confirms drop in Amazon deforestation for 2011-2012

(08/21/2012) Independent analysis has confirmed a drop in deforestation in the Brazilian Amazon for the year ended July 31, 2012.


Brazil's deforestation rate still on decline in 2012?

(08/02/2012) Deforestation in the Brazilian Amazon fell by more than a fifth for the 12-month period ending July 31, 2012, according to preliminary data released by Brazil's National Institute for Space Research (INPE).


European Space Agency releases time series showing Amazon deforestation

(07/30/2012) The European Space Agency last week released an animation showing deforestation in the Brazilian Amazon between 1986 and 2010.


10 African countries to develop satellite-based deforestation tracking systems with help of Brazil

(07/30/2012) Ten tropical African countries will receive training and support to develop national forest monitoring systems, reports the United Nations. Brazil, which has an advanced deforestation tracking system, will guide the initiative in partnership with the Central Africa Forests Commission (COMIFAC) and the UN Food and Agriculture Organization (FAO).


165,000 sq km of Colombian rainforest mapped in stunning detail using lasers, satellites

(07/25/2012) Scientists have created high-resolution carbon maps for 165,000 square kilometers (64,000 square miles) of forest across roughly 40 percent of the Colombian Amazon, greatly boosting the ability of the South American nation to measure emissions from deforestation and forest degradation, reports the Carnegie Institution for Science at Stanford University, which led the effort.


Pictures: 40 years of NASA's Earth-observing satellite program

(07/25/2012) Landsat, NASA's Earth-observing satellite program, turned 40 on Monday. The space agency celebrated by releasing some of the program's best images showing how landscapes have changed in the past 40 years, including the five most popular 'Earth as Art' images.


Map reveals sharp increase in U.S. fires since 2001

(07/24/2012) A new map using NASA data reveals an increase in the severity of fires in the United States since 2000.


Record 97 percent of Greenland's ice sheet experienced melting in July

(07/24/2012) 97 percent of Greenland's ice sheet experienced some degree of melting this July, a record extent of melt, says NASA.


Past climate change reduced lemur population in Madagascar

(07/24/2012) Climate change that took place 4,000-10,000 years ago may have contributed to the endangered status of one of Madagascar's rarest lemurs by reducing the extent of its habitat, argues a new study published in the journal Proceedings of the Natural Academy of Sciences.


NASA satellites register deforestation hotspots in Cambodia, Myanmar, Ecuador for Apr-Jun 2012 period

(07/19/2012) NASA satellites picked up extensive signals of potential deforestation across large parts of the tropics between April 1, 2012 and June 30, 2012, according to the latest update on Mongabay.com's Global Forest Disturbance Alert System.


Charts: deforestation in Indonesia and Malaysia, 2000-2010

(07/15/2012) Indonesia and Malaysia lost more than 11 million hectares (42,470 square miles) of forest between 2000 and 2010, according to a study published last year in the journal Global Change Biology. The area is roughly the size of Denmark or the state of Virginia. The bulk of forest loss occurred in lowland forests, which declined by 7.8 million hectares or 11 percent on 2000 cover. Peat swamp forests lost the highest percentage of cover, declining 19.7 percent. Lowland forests have historically been first targeted by loggers before being converted for agriculture. Peatlands are increasingly converted for industrial oil palm estates and pulp and paper plantations.


Indonesia, Brazil, Mexico, Peru get big boost in deforestation tracking, biomass measurement

(07/11/2012) Efforts to rapidly and accurately track deforestation and forest degradation in Indonesia, Brazil, Mexico, and Peru got a boost this week with a special technical training session organized by the Governors Climate and Forest Task Force. The meeting, convened at Stanford University and Google's Silicon Valley campus, paired staffers from government agencies and NGOs in the four tropical countries with technical experts from the Amazon Environmental Research Institute (IPAM), the Carnegie Institution for Science, the Forum on Readiness for REDD, Woods Hole Research Center, and Google Earth Outreach. The participants received training to augment existing deforestation, forest degradation and biomass monitoring capabilities, which are highly variable both between countries and within sub-national agencies and jurisdictions.


Remote-controlled model planes offer bird's-eye approach to conservation

(07/10/2012) Inexpensive aerial drones can help conservationists map forests, monitor land use change like deforestation, and track wildlife in remote and inaccessible areas, reports a new study published in the journal Tropical Conservation Science.


New geojournalism mapping platform for the Amazon

(06/21/2012) A new mapping platform combines georeferenced environmental news articles with data on deforestation, fires, protected areas, and oil and gas concessions in the Amazon.


Deforestation accounts for 10 percent of global carbon emissions, argues new study

(06/21/2012) Tropical deforestation accounted for 10 percent of global carbon dioxide emissions between 2000-2005 — a substantially smaller proportion than previously estimated — argues a new study published in Science. The paper estimates gross carbon emissions from deforestation at 810 million metric tons (with a 90 percent confidence interval of 0.57-1.22 billion tons) per year from 2000-2005, significantly below earlier calculations. Brazil and Indonesia accounted for 55 percent of gross emissions from tropical deforestation during the study period, while dry forests accounted for 40 percent of tropical forest loss but amounted to only 17 percent of emissions.


Near-real time Amazon deforestation alert system added to Google Earth Engine

(06/20/2012) A system providing monthly alerts on deforestation and forest degradation in the Brazilian Amazon will soon be generated on the Google Earth platform Engine, reducing the time it takes to process and disseminate data, reports Imazon, the Brazilian NGO that developed the Alert System of Deforestation (SAD).


Brazil finalizes 2011 deforestation data

(06/06/2012) Brazil's National Institute for Space Research (INPE) on Tuesday finalized its 2011 estimate for deforestation in the Amazon region.


Deforestation in Brazil's Mata Atlantica drops

(06/06/2012) Deforestation of Brazil's Mata Atlântica — a forest ecosystem more threatened than the Amazon rainforest — fell to 133 square kilometers between 2010 and 2011, down about 14.7 percent from the annual average between 2008 and 2010, reports Brazil's National Institute for Space Research (INPE) and Fundação SOS Mata Atlântica.


Global deforestation alert tool developed from NASA satellite imagery launches

(05/30/2012) Mongabay.com is pleased to announce the beta version of a global forest disturbance alert system (GloF-DAS) developed in partnership with Cal State Monterey Bay and NASA Ames Research Center. The tool offers the potential to pinpoint areas that are being deforested on a quarterly basis.


New Google Earth tool maps deforestation, threatened forests in Sumatra

(05/24/2012) The World Wildlife Fund (WWF) and a coalition of Indonesian environmental groups known as Eyes on the Forest have released a new Google Earth-based tool that maps forests, land use, carbon stocks, and biodiversity across the Indonesian island of Sumatra.


Brazilian deforestation lower in 2012 to date

(05/18/2012) Deforestation in the Brazilian Amazon is lower in 2012 relative to the same period last year according to satellite-based data released by Imazon, an NGO.



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