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News articles on Satellite Imagery

Mongabay.com news articles on Satellite Imagery 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.


FSC meeting weighs old-growth forest protection, smallholder participation

(09/11/2014) The Forest Stewardship Council (FSC), a body that sets social and environmental certification criteria for forestry products, is weighing measures that could step up protection for old-growth forests and make it easier for indigenous people and traditional forest communities to qualify for certification. The measures are set for a vote this week at the body's General Assembly, which is held every three years to establish and revise criteria that underpin the standard.


NASA: Forest loss leaps in Bolivia, Mekong region

(08/08/2014) New satellite data from NASA suggests that deforestation is sharply increasing in Bolivia and Mekong countries during the second quarter of 2014.


95% of Amazon deforestation happens near roads or major rivers

(08/05/2014) 94.9 percent of deforestation in the Brazilian Amazon occurs on land less than 5 kilometers from a road or navigable river, finds a new study published in the journal Biological Conservation.


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.


Scientists can now accurately count polar bears...from space

(07/17/2014) Polar bears are big animals. As the world's largest land predators, a single male can weigh over a staggering 700 kilograms (about 1,500 pounds). But as impressive as they are, it's difficult to imagine counting polar bears from space. Still, this is exactly what scientists have done according to a new paper in the open-access journal PLOS ONE.


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.


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.


Protecting rainforests could sequester equivalent of a third of global emissions annually

(06/13/2014) liminating deforestation, peatlands and forest degradation, and forest fires in the tropics could reduce global carbon emissions by two billion tons a year, or nearly a fifth, argues a new study published in Global Change Biology. The research analyzed various emissions sources and sinks across the tropics. They found that carbon emissions from activities that damage and destroy forests are nearly counterbalanced by forest regrowth, reforestation, and afforestation.


Oil company breaks agreement, builds big roads in Yasuni rainforest

(06/05/2014) When the Ecuadorian government approved permits for an oil company to drill deep in Yasuni National Park, it was on the condition that the company undertake a roadless design with helicopters doing most of the leg-work. However, a new report based on high-resolution satellite imagery has uncovered that the company, Petroamazonas, has flouted the agreement's conditions, building a massive access road.


NASA data: 1997 all over again for Indonesia?

(05/14/2014) The latest data from NASA shows that conditions developing in the tropical Pacific are eerily similar to those in 1997, when El Niño wreaked havoc across Indonesia, spurring a severe drought that exacerbated massive peatland and forest fires which spread choking haze across much of South and Southeast Asia.


NASA photographs the amazing 'guitar forest'

(04/30/2014) After his wife died of an aneurysm at the age of 25, Pedro Martin Ureta set about to plant her a legacy: a forest in the shape of a guitar. His wife, Graciela Yraizoz—who gave him four children—suggested the idea shortly before her sudden death in 1977.


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.


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.


Next big idea in forest conservation? Empowering everyone to watch over forests

(04/10/2014) Nigel Sizer has worked on the forefront of global forest issues for decades. Currently, he is the Global Director of the World Resource Institute's (WRI) Forests Program, whose projects include the Global Forest Watch, the Forest Legality Alliance, and the Global Restoration Initiative. These programs work with governments, businesses, and civil society with the aim of sustaining forests for generations to come.


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.


Sharp jump in deforestation when Amazon parks lose protected status

(03/01/2014) Areas that have had their protected status removed or reduced have experienced a sharp increase in forest loss thereafter, finds a new study published by Imazon, a Brazilian NGO.


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.


Revolutionary Google-backed system unlocks power of 'big data' to save forests

(02/20/2014) World Resources Institute (WRI) today announced the release of a tool that promises to revolutionize forest monitoring. The platform, called Global Forest Watch and developed over several years with more than 40 partners, draws from a rich array of big data related to the word's forests and translates it into interactive maps and charts that reveal trends in deforestation, forest recovery, and industrial forestry expansion. Global Forest Watch is the first tool to monitors global forests on a monthly basis, allowing authorities and conservationists to potentially take action against deforestation as it is occurring.


NASA data reveals impact of cyclones on forests in Vietnam, Madagascar

(01/30/2014) Forest disturbance in Madagascar and Vietnam increased significantly in the aftermath of cyclones that hit the countries last year, according to a forest tracking tool developed by a team of NASA researchers.


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.


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.


Satellites reveal browning mountain forests

(11/22/2013) In a dramatic response to global warming, tropical forests in the high elevation areas of five continents have been "browning" since the 1990s. They have been steadily losing foliage, and showing less photosynthetic activity. Scientists analyzed the forest cover by using satellites to measure sunlight bouncing off the surface of the earth, then determining the different surface types via reflection patterns.


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 in the Brazilian Amazon jumps 28% in 2013

(11/14/2013) Deforestation in the Brazilian Amazon jumped 28% in 2013 sparking concerns that recent progress in reducing forest loss in the world's largest rainforest may be in danger of reversing. The preliminary data, released Thursday by the Brazilian government, shows that 5,843 square kilometers (2,256 sq miles) of rainforest was cleared across the 'Legal Amazon' between August 1, 2012 and July 31, 2013.


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.


50,000 km of roads built across Brazilian Amazon in 3 years

(10/29/2013) Roads are rapidly expanding across the Brazilian Amazon opening up once remote rainforests to loggers, miners, ranchers, farmers, and land speculators, finds a new study published in the journal Regional Environmental Change.


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).


June fires concentrated in peatlands, burned 1,500 sq km in Sumatra

(10/16/2013) Fires that sent a choking haze across Singapore and Malaysia in June burned some 1,500 square kilometers in Riau Province and were predominantly concentrated on peatlands, reports the World Resources Institute (WRI).


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.


Satellite reveals 'hidden' 1000-ha oil palm plantation in Amazon rainforest in Peru

(09/06/2013) A regional forestry official in Peru has expressed surprise over the sudden appearance of a 1000-hectare oil palm plantation in the heart of the Amazon rainforest.


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 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.


Near real-time deforestation monitoring system to go global

(07/25/2013) A near real-time deforestation monitoring system will soon cover all the world's tropical forests, report the researchers behind the initiative.


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.


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.


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.


Wind, not big increase in forest fires, driving haze in Singapore

(06/26/2013) Wind patterns, rather than a sharp increase in fires, is to blame for the record setting air pollution affecting Singapore and Malaysia, finds new analysis by the World Resources Institute (WRI).


Singapore chokes on haze from deforestation fires

(06/17/2013) Singapore and Malaysian officials have asked Indonesia to take 'urgent measures' to address forest fires in Sumatra that are sending choking haze northward, reports AFP.



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