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News articles on impact of climate change

Mongabay.com news articles on impact of climate change in blog format. Updated regularly.









Climate change could devastate lizards in the tropics

(03/04/2009) With help from data collected thirty years ago, scientists have discovered that tropical lizards may be particularly sensitive to a warming world. Researchers found that lizards in the tropics are more sensitive to higher temperatures than their relatives in cooler, yet more variable climates. "The least heat-tolerant lizards in the world are found at the lowest latitudes, in the tropical forests. I find that amazing," said Raymond Huey, lead author of a paper appearing in the March 4 Proceedings of the Royal Society B.


Largest US protest on climate change today

(03/02/2009) At 1 PM EST activists from across the US plan to engage in civil disobedience at Capitol Power Plant in Washington DC. Organizers from 90 different groups estimate that more than 2,500 people will be joining in the protests making it the largest US protest on climate change to date. Owned by congress, Capital Power Plant is seen by activists as a longtime symbol of the US government’s consistent support for the use of coal, the leading source of CO2 emissions in the US.


Amazon rainforest in big trouble, says UN

(02/19/2009) Economic development could doom the Amazon warns a comprehensive new report from the United Nations Environment Programme (UNEP). The report — titled GEO Amazonia [PDF-21.3MB] — is largely a synthesis of previously published research, drawing upon studies by more than 150 experts in the eight countries that share the Amazon.


Climate change doubles coastal erosion in Alaska over 5-year period

(02/18/2009) Coastal erosion along a 64-kilometer (40-mile) stretch of Alaska's Beaufort Sea doubled between 2002 and 2007, report researchers, who link the development to "declining sea ice extent, increasing summertime sea-surface temperature, rising sea level, and increases in storm power and corresponding wave action."


Climate change to have a big impact on marine fisheries

(02/18/2009) Climate change will have a big impact on marine fisheries, report scientists writing in the journal Fish and Fisheries.


Photos: 13,000 species found in Arctic, Antarctic Oceans

(02/16/2009) A marine census has documented more than 13,000 species in the Arctic and Antarctic Oceans, including several hundred that may be new to science. Conducted over a two-year period under often perilous conditions — including monster waves and dangerous polar bears — the series of 18 surveys turned up a wealth of information on the diversity, distribution and abundance of marine life. The research will also help establish a baseline for measure changes in polar ecosystems.


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."


Global warming drives birds north

(02/11/2009) Nearly 60 percent of the 305 species found in North America in winter have shifted their ranges northward by an average of 35 miles, according to an assessment by the Audubon Society.


Global warming may drive the Amazon rainforest toward seasonal forests rather than savanna

(02/11/2009) Changes in rainfall resulting from climate change may drive the parts of Amazon rainforest toward seasonal forests rather than savanna, argue researchers writing in the Proceedings of the National Academy of Sciences


Salamander populations collapse in Central America

(02/09/2009) Salamanders in Central America — like frogs, toads, and other amphibians at sites around the world — are rapidly and mysteriously declining, report researchers writing in the journal Proceedings of the National Academy of Sciences. Disturbingly, salamanders are disappearing from protected areas and otherwise pristine habitats.


As sea ice retreats, swathe of Arctic closed to fishing

(02/06/2009) The North Pacific Fishery Management Council (NPFMC) voted unanimously to close off more than 150,000 square nautical miles of the Arctic sea to commercial fishing. The decision, welcomed by an array of environmentalists and industry groups, is a preventative measure to protect fisheries that have become more accessible as a result of declining sea ice in the Arctic. It is the first time that the federal government has closed a fishery due to climate change instead of over-fishing, says supporters of the ban.


Gravitational effects may boost sea level rise by 25% along U.S. coast

(02/05/2009) The melting of the West Antarctic Ice Sheet could cause sea level to rise more than previously predicted for some regions, including the U.S. coastline, report researchers writing in the journal Science.


Secretary of Energy warns of dire future for agriculture in California

(02/05/2009) Secretary of Energy Steven Chu warned climate change could severely impact California agricultural industry by the end of the century, reported the Los Angeles Times.


Global warming to strengthen Arctic storms

(02/05/2009) Arctic storms could worsen due to climate change, putting fisheries, oil and gas exploration, and sea lanes at risk, warn researchers writing in the journal Climate Dynamics.


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.


Nemo at risk from CO2 emissions? Ocean acidification may hurt baby fish

(02/02/2009) Increasing carbon dioxide concentrations in the atmosphere may have an unexpected impact on marine ecosystems: disorienting fish larvae. Research published in this week's issue of the Proceedings of the National Academy of Sciences (PNAS) found that ocean acidification disrupts the olfactory sense of clownfish larvae, making it difficult for the fish to find a habitat, which for clownfish is a sea anemone.


Glaciers decline in ice mass for 18th straight year

(01/30/2009) Glaciers worldwide lost ice mass for the 18th consecutive year due to warming temperatures and reduce snowfall, reports the University of Zurich’s World Glacier Monitoring Service. Alpine glaciers lost on average 1.3 meters of thickness in 2006 and 0.7 meters in 2007, extending an 11.3-meter (36-foot) retreat since 1980.


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.


Global warming may doom emperor penguins to extinction

(01/27/2009) Disappearing sea ice around Antarctica may put emperor penguins at risk of extinction within the next century, warn scientists writing in this week's Proceedings of the National Academy of Sciences.


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.


Fish may help fight ocean acidification

(01/19/2009) Fish are a major source of calcium carbonate production in marine ecosystems, a finding that has implications for ocean acidification, report scientists writing in the journal Science.


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?


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.


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.


Greenland melting much faster than last year

(12/16/2008) Greenland is losing ice three times faster than last year, report researchers presenting at the meeting of the American Geophysical Union in San Francisco.


Climate change, ocean acidification may doom jumbo squid

(12/15/2008) Ocean acidification — driven by rising carbon dioxide levels in the atmosphere — may hurt the Humboldt squid, report researchers writing in the journal Proceedings of the National Academy of Sciences.


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.


Fear and conservation

(12/10/2008) How does fear shape the behavior and conservation of deer, moose and antelope, not to mention carnivores such as wolves, bears, and even tigers? What is the natural state of wildlife, and how do animals know or learn which species to ignore or fear? Should we reintroduce predators to former habitats, even though the prey animals may be unprepared for their return?


Why do different species of bird lay different numbers of eggs?

(12/10/2008) Clutch size varies greatly between bird species. Researchers now have a better idea why. Analyzing data on clutch size, biology, and habitat for 5,290 species of birds, a team of biologists — Walter Jetz (UC San Diego), Cagan H. Sekercioglu (Stanford University), and Katrin Böhning-Gaese (Johannes Gutenberg-Universität) — developed a model to predict variations in the number of eggs a species lays. They found clutch sizes are consistently largest in cavity nesters and in species occupying seasonal environments. The findings add depth and complexity to previous research that has shown short-lived species — ones that face high predation or have low survival rates among offspring — tend to lay more eggs than longer-lived species, which invest more resources in raising their offspring.


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.


Tropical ocean dead zones could increase 50 percent by 2050

(11/18/2008) If carbon dioxide levels continue to rise as expected, marine dead zones in the tropics are expected to increase by 50 percent in just over four decades, according to a new study from the Leibniz Institute of Marine Sciences in Germany. The expansion of marine dead zones in tropical seas could have devastating impacts on ocean ecosystems and fisheries.


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.


Group may sue EPA under Clean Water Act to address ocean acidification

(11/14/2008) An environmental group plans to sue the U.S. Environmental Protection Agency for failing to uphold water standards in the face of ocean acidification.


Coral reefs and mangroves worth $395-559 M per year in Belize

(11/14/2008) Services provided by coral reefs and mangroves in Belize are worth US$395 million to US$559 million per year, or 30 to 45 percent of the Central American country's GDP — according to a new report released by the World Resources Institute and the World Wildlife Fund (WWF).


Prioritizing amphibian species for captive breeding to save them from extinction

(11/13/2008) Frogs, toads, salamanders and other amphibians are disappearing at an alarming rate. Of approximately 6,000 amphibian species in the world, about one third are classified as threatened or endangered. A disease caused by a chytrid fungus has devastated frogs living in mid to high elevation streams worldwide. Amphibians also face habitat destruction as forests and wetlands are developed and polluted by agricultural chemicals. In Panama, highland frog populations west of the Canal have declined at an alarming rate.


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."


Scientists can't explain cause of amphibian extinction crisis

(11/13/2008) Scientists have yet to conclusively explain the underlying cause of global declines in amphibian populations, according to a study published in the journal Proceedings of the National Academy of Sciences. The research says that two leading theories for the demise of amphibians — both related to the emergence and spread of the deadly chytrid fungus — are not supported by scientific data.


Stopping ocean acidification would save billions of dollars in revenue

(11/12/2008) A new report from Oceana shows that action taken now to curb ocean acidification would not only preserve the world's coral reefs, but also save billions in lost revenue in the fishing and tourism industries.


Factoring social and economic instability into ecological catastrophe and the decline of western civilization

(11/12/2008) When proposing and exploring solutions to environmental crises we rarely, if ever, consider social and geopolitical factors such as massive refugee migrations, economic market instability and collapse, wars for resources, the peaking of oil, civil uprisings/riots, and the rise of fascism/military oppression. If we hope to create lasting and effective solutions to environmental issues of the 21st Century it is clear we must consider facets beyond the realm of traditional environmental science and shift towards multi-disciplinary systems-level approaches. In addition to the long list of existing and impending environmental crises (passing points-of-no-return in tropical deforestation and climate change, widespread coral bleaching, and the accelerating mass extinction of biodiversity) we must recognize and adapt to the effects of current and emerging social issues (resource wars, economic collapse, and the rise of fascism).


Effects of ocean acidification will come 30 years earlier than expected

(11/11/2008) The Southern Ocean may be 30 years closer to a tipping point for ocean acidification than previously believed, putting sea life at risk, according to research published in this week's Proceedings of the National Academy of Science.


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.


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.


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.


Kangaroos at risk from climate change

(10/16/2008) A 2°C-rise in temperature could trigger significant range contraction for kangaroos in Australia and put one species at high risk of extinction, reports research published in the December issue of Physiological and Biochemical Zoology.


2-degree rise in temperature may doom penguins colonies

(10/10/2008) More than half Antarctica's penguin colonies are at risk by a 2-degree global rise in temperatures, according to a report released by the environmental group WWF.



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