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News articles on climate change
Mongabay.com news articles on climate change in blog format. Updated regularly.
(02/17/2009) Atmospheric carbon dioxide concentrations climbed 2.28 parts-per-million (ppm) in 2008 to the highest level in at least 650,000 years — and possibly 20 million years — reports NOAA.
Burning rainforests, melting tundra could accelerate global warming well beyond current projections
(02/16/2009) Projections by the Intergovernmental Panel on Climate Change (IPCC) likely underestimate the scale and rapidity of climate change, warned a Stanford University scientist presenting Saturday at the annual meeting of the American Association for the Advancement of Science (AAAS) in Chicago.
Mass media ‘screwing up’ global warming reporting says renowned climatologist
(02/15/2009) Stanford scientist and climate-specialist Stephen Schneider has called out media organizations for the quality of their reporting on climate change and other scientific issues. "Business managers of media organizations,” he said, “you are screwing up your responsibility by firing science and environment reporters who are frankly the only ones competent to do this."
Monstrous prehistoric snake provides glimpse of warmer tropical forests
(02/04/2009) On Wednesday scientists announced the discovery of the world’s largest snake, a prehistoric beast which preyed on giant turtles and crocodile-like reptiles in South America after the demise of the dinosaurs. As amazing as the discovery is, its greatest importance may be the clues it provides conservationists about the future of tropical forests under various global warming scenarios.
Beef drives 80% of Amazon deforestation
(01/29/2009) Nearly 80 percent of land deforested in the Amazon from 1996-2006 is now used for cattle pasture, according to new maps released today in a report by Greenpeace at the World Social Forum in Belem, Brazil. The report, Amazon Cattle Footprint: Mato Grosso: State of Destruction, confirms that cattle ranching is the primary driver of deforestation in Earth's largest rainforest: the Brazilian Amazon.
Many global warming impacts may be irreversible in next 1000 years
(01/27/2009) Even if greenhouse gas emissions were to cease today, many of the forecast impacts of climate change are already irreversible for at least the next 1000 years, report researchers writing in the journal Proceedings of the National Academy of Sciences.
New global temperature record expected in the next 1-2 years
(01/27/2009) 2008 was the coolest year since 2000 but still ranks in the top ten warmest years since record-keeping began in 1880, reported NASA last week.
Deadly ‘brown cloud’ over South Asia caused by wood and dung burning
(01/23/2009) Long a subject of debate, the cause of the infamous brown cloud that hovers over the Indian Ocean and South Asia every winter has finally been discovered. Researchers led by Dr Orjan Gustafsson from the University of Stockholm in Sweden announced in Science that 70 percent of the cloud is made up of soot from the burning of biomasses, largely wood and animal dung used for cooking.
Climate change killing forests in the western U.S.
(01/22/2009) Tree death rates in old-growth forests of the western United States have more more than doubled in recent decades likely because of regional climate warming, report researchers writing in the journal Science.
Antarctica shows net warming over past 50 years
(01/22/2009) Despite a cooling trend in the East Antarctic Ice Sheet, Antarctica has experienced net warming over the past 50 years, report researchers writing in the January 22 edition of Nature. Analyzing data from satellites and weather stations authors led by Eric Steig of the University of Washington (UW) found that "warming in West Antarctica exceeded one-tenth of a degree Celsius per decade for the last 50 years and more than offset the cooling in East Antarctica", according to a statement from UW.
97% of climatologists say global warming is occurring and caused by humans
(01/22/2009) A new poll among 3,146 earth scientists found that 90 percent believe global warming is real, while 82 percent agree that human activity been a significant factor in changing mean global temperatures.
Could engineering rainforests save the planet from global warming?
(01/21/2009) At the Smithsonian symposium entitled “Will the Rainforests Survive?”, leading tropical biologists vigorously debated current threats to the rainforest and what the future may hold. While climate change was identified as a leading threat to rainforests, many of the scientists argued that the tropics may also be the key to mitigating the impact of global warming.
Symposium tackles big question: how many species will survive our generation
(01/16/2009) Nine scientists dusted off their crystal balls Monday at the National Museum of Natural History in Washington DC, weighing in on the future of the world’s tropical forest. Despite the most up-to-date statistics, prognosis for the future of tropical forests varied widely. In the last few years a schism has occurred among biologists regarding the future of the tropics. No tropical scientist denies that rainforests and the species which inhabit them face unprecedented threats; neither do they argue that some of these forested regions and species will likely not survive the next fifty years. What has sparked debate, sometimes heated, is how bad will is it really? When the dust settles, what percentage of species will survive and how much forest will remain?
What is the greatest threat to rainforests: habitat destruction or climate change?
(01/13/2009) A symposium from the Smithsonian Institution meant to debate the level of threat by deforestation posed to the tropics shifted topic slightly near its end as scientists began to discus which was the most significant threat for rainforests and the species that inhabit them: habitat destruction or climate change?
Indonesian coral reef recovering after devastating tsunami and years of destructive fishing
(01/05/2009) On December 26th, 2004 an earthquake recorded at a magnitude of 9.3 in the Indian Ocean created a massive tsunami that struck nations across the region. Enormous waves took the lives of nearly 250,000 people while destroying cities and towns in minutes. The tsunami also caused extensive environmental damage, including reef systems along many coastal areas. Four years after the tsunami researchers from the Wildlife Conservation Society (WCS) have returned to site of the disaster to survey the damaged reefs and work with local communities on preserving this important resource. After exploring sixty sites of coral reef off the coasts of Aceh, Indonesia, the scientists report that reefs damaged by the 2004 tsunami are on the path to recovery.
Ocean acidification is killing the Great Barrier Reef
(01/01/2009) Since 1990 the growth of coral in Australia's Great Barrier Reef has slowed its lowest rate in at least 400 years as a result of warming waters and ocean acidification, report researchers writing in Science. The finding portends a bleak near-term future for the giant reef ecosystem as well as calcifying marine organisms around the world.
Rainforest conservation more important than developing electric cars
(01/01/2009) For all the fuss that is made about Tesla and the coming generation of electric cars, policy-makers should not overlook the importance of tropical forest conservation.
Reindeer, a symbol of the holidays, is under increasing threat
(12/26/2008) Reindeer are beloved in the holiday season for the mystical role they play in guiding Santa from the North Pole to the world’s chimneys. However, according to a new book, reindeer, more commonly referred to as caribou, face increasing pressures from a variety of sources. The new book entitled, Caribou and the North: A Shared Future, draws an intimate portrait of the only deer species where both male and females sport horns, while outlining the dangers which may lead these unique animal to become globally endangered.
Will 'peak oil' spur expanded coal use? And what does it mean for climate?
(12/19/2008) The world must phase out emissions from coal by 2030 to avert dangerous climate change, said scientists speaking at the annual meeting of the American Geophysical Union in San Francisco.
Peak coal to follow peak oil?
(12/19/2008) Governments have greatly overestimated global coal reserves according to estimates presented by a geologist at the annual meeting of the American Geophysical Union in San Francisco.
European conquest of the Americas may have driven global cooling
(12/18/2008) Recovery of forests following the collapse of human populations in the Americas after the arrival of Europeans may have driven the period of global cooling from 1500-1750 known as the Little Ice Age, report researchers speaking at the annual meeting of the American Geophysical Union in San Francisco. By some estimates, diseases introduced by Europeans may have killed more than 90 percent of population on the New World within a century of first contact. The rapid depopulation led to large-scale abandonment, and subsequent reforestation, of agricultural lands in the Americas. Analyzing charcoal found in soils and lake sediments at sites across the Americas, Richard Nevle and Dennis Bird found evidence to suggest that this forest regeneration sequestered enough carbon to trigger global cooling.
Arctic sea ice fell to the lowest volume on record in 2008
(12/17/2008) Arctic sea ice fell to the lowest volume — and second lowest extent — on record, according to the annual World Meteorological Organization (WMO) Statement on the Status of the Global Climate.
Observed sea level rise, ice melt far outpaces projections
(12/17/2008) Sea levels will rise faster than previously estimated due to rapid melting of glaciers and ice sheets, according to a U.S government report released at the annual meeting of the American Geophysical Union in San Francisco. The report, titled Abrupt Climate Change, incorporates research published since last year's Intergovernmental Panel on Climate Change (IPCC) report, which drew largely from studies dating up to 2006. Most significantly, Abrupt Climate Change suggests that IPCC estimates for future sea level rise (18-58 cm) are conservative, noting that recent observations on sea level rise and loss of sea ice are far outpacing previous projections.
Rainforests continue to fall but hope may rest in a market solution
(12/11/2008) Environmentalists attempting to preserve the vanishing Amazon rain forest now confront a stark paradox: Never before have they succeeded in protecting so much of the world’s largest tropical forest, yet never before has so much of it simultaneously been destroyed. The key question today is whether new models of conservation — including an increasingly popular, market-based program known as REDD — will be able to reverse the steady loss of tropical forests, not only in the Amazon, but also in Indonesia, Borneo, and Africa’s Congo basin, where virgin woodlands continue to be razed at an unprecedented rate.
Climate change will transform the chemical-makeup of the ocean
(12/11/2008) By studying the ocean’s past, scientists have discovered that climate change has a much larger affect on ocean chemistry than expected. The study, published in Science, reveals that 13 million years ago climate change significantly altered the chemical composition of the oceans. Such changes in the ocean’s chemical makeup today could have a great impact on marine life, already stressed by overfishing and pollution.
Deal on forests falls short
(12/11/2008) A deal reached Wednesday in Poznan to include forests in future climate treaties is a positive step but falls short of the progress needed to get the REDD (reducing emissions from deforestation and degradation) mechanism on track for incorporation into the framework that will succeed the Kyoto Protocol, say environmentalists speaking from the talks.
Africa calls for "full-range" of bio-carbon as climate solution
(12/10/2008) A coalition of 26 African countries is calling for the inclusion of carbon credits generated through afforestation, reforestation, agroforestry, reduced soil tillage, and sustainable agricultural practices in future climate agreements.
Indigenous people win voice in climate negotiations
(12/10/2008) Negotiators at U.N. climate conference have struck a deal to give forest-dependent people a voice in determining the role forest conservation will play future agreements to reduce greenhouse gas emissions, reports the Associated Press (AP). The agreement clears a key obstacle that had been blocking progress on reducing emissions from deforestation and degradation (REDD), a mechanism that would compensate tropical countries for protecting their forest cover.
In Poznan, France pushes initiative to save rainforests
(12/08/2008) As talks for incorporating forest conservation into an international climate treaty stall in Poznan, Poland due to technical debates, France has proposed an aggressive effort to address deforestation and forest degradation through the establishment of a Global Forest Carbon Mechanism (GFCM) and potential inclusion of forestry projects in the E.U.'s emissions trading scheme (ETS) beginning in 2013.
Peru seeks $200 million to save its rainforests
(12/08/2008) Peru is seeking $200 million in international contributions over the next ten years to cut deforestation to zero, reports BBC News.
New standards ensure forest carbon projects protect indigenous people, biodiversity
(12/08/2008) The Climate, Community & Biodiversity Alliance (CCBA) has released its second edition of its CCB Standard for certifying land-based carbon offset projects.
Little progress on avoided deforestation at climate meeting in Poland
(12/05/2008) Climate talks in Poland are failing to make progress on a proposed mechanism to reduce greenhouse gas emissions from deforestation, reports a forest policy group from the negotiations.
REDD faces challenges but can succeed, says report
(12/05/2008) The Center for International Forestry Research (CIFOR), a forest policy think tank, today released its assessment on the proposed REDD (reducing emissions from deforestation and degradation) mechanism for slowing climate change.
WWF criticizes Brazil's plan to cut Amazon deforestation
(12/04/2008) WWF criticized Brazil's plan to reduce Amazon deforestation to 5,740 square kilometers per year as being "short on ambition and detail". In a statement issued Wednesday, WWF said that Brazil's proposed fund for conserving the Amazon would still result in the annual loss of an area forest the size of Rhode Island.
Climate change will damage forests, creating hardship for rural communities
(11/28/2008) Climate change will transform forests that directly sustain nearly one billion people, warns a report to be released next week at the United Nations Framework Convention on Climate Change (UNFCCC) meeting in Poznán, Poland.
Water vapor will amplify global warming
(11/17/2008) The heat-amplifying effect of water vapor in the atmosphere could more than double the climate warming caused by increased carbon dioxide levels, report researchers using NASA data.
Climate change will cost California billions
(11/14/2008) $2.5 trillion of real estate assets in California are at risk from extreme weather events, sea level rise and wildfires expected to result from climate change over the course of a century, according to a new assessment from UC Berkeley researchers.
Limiting global warming to 2-degree rise will require $180/t carbon price says energy think tank
(11/13/2008) In a report released Wednesday the International Energy Agency warned that a business-as-usual approach to energy use would result in a 6°-degree rise in temperatures putting hundreds of millions at risk from reduced water supplies and diminished agricultural production. But the agency said that limiting temperature rise to 2-3°-rise by the end of the century would be "possible, but very hard."
Facing extinction from rising seas, Maldives establishes fund to buy homeland abroad
(11/10/2008) The Maldives will establish a trust fund to buy a homeland abroad once rising sea levels swamp the island nation, says Mohamed Nasheed, president-elect of the Maldives. The funds would come from the country's revenue from tourism.
Obama may bring leadership, rather than obstruction, to climate change talks
(11/06/2008) The election of Barack Obama as president of the United States may bring a new era of U.S. leadership on climate.
Climate change is a bigger economic risk than banking crisis
(10/30/2008) Unmitigated climate change will hurt the global economy more than the current banking crisis, said a leading environmental economist.
Yellowstone amphibians in decline due to climate change
(10/27/2008) Climate change appears to be responsible for a "marked drop" in the population of three of four species of amphibian once common to Yellowstone National Park, report researchers writing in Proceedings of the National Academy of Sciences.
Geoengineering schemes need ranking system to avoid wasting money, destroying the planet
(10/26/2008) Schemes to alter Earth's climate on a planetary scale should be ranked according to their efficacy, cost, risks and their rate of mitigation, argues a new editorial published in Nature Geoscience. With so-called geoengineering proposals proliferating as concerns over climate change mount, Philip Boyd of New Zealand's NIWA warns that "no geo-engineering proposal has been tested or even subjected to preliminary trials". He says that despite widespread media attention, scientists have yet to even come up with a way to rank geoegineering schemes for their efficacy, cost, associated risk, and timeframe. Thus is it unclear whether ideas like carbon burial, geochemical carbon capture, atmospheric carbon capture, ocean fertilization, cloud manipulation, "space sunshades", or strategically-placed pollution can be effective on a time-scale relevant to humankind, economical, or even safe.
NOAA offers "dramatic evidence" of Arctic warming
(10/16/2008) Fall air temperatures 9°F (5°C) above normal, the second lowest-ever extent of summer sea ice, and the melting of surface ice in Greenland are signs of continued warming in the Arctic, according to the Arctic Report Card, an annual review of Arctic conditions by U.S. National Oceanic and Atmospheric Administration (NOAA) and its partners.
Rainforest biodiversity at risk from global warming
(10/09/2008) Climbing temperatures may doom many tropical species to extinction if they are unable to migrate to higher elevations or cooler latitudes, report researchers writing in Science.
52% of amphibians, 35% of birds at risk from climate change
(10/08/2008) 52 percent of the amphibians, 35 percent of birds and 71 percent of reef-building coral are "particularly susceptible" to climate change, warns an IUCN report.
Al Gore calls for “civil disobedience” against new coal plants
(09/28/2008) Former Vice President and Nobel Prize winner, Al Gore, told the audience at the Clinton Global Initiative that the moment had arrived for civil disobedience against new coal plants.
Past climate change drove mass extinction in Pakistan
(09/26/2008) Research on long-vanished mammals in the Siwalik region of Northern Pakistan has yielded results relevant for today. In the span of two-and-a-half million years climate change caused a shift in Siwalik habitat from wet monsoon forest to savannah, dooming over half the mammal species to local extinction. The research was published by the Proceedings of the National Academy of Sciences.
CO2 emissions accelerate 400% as world turns to dirtier fuels
(09/26/2008) Atmospheric carbon dioxide levels rose at a record clip in 2007, according to the Global Carbon Project's annual overview of the greenhouse gas.
Environment at rock-bottom of concerns for American voters
(09/26/2008) In a poll conducted by Gallup asking voters to state their top two reasons for choosing a candidate, one percent said the environment or climate change. The environment was tied with education for being the least given reason.
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