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Latest IPCC Third Assessment Report Stories

2009-08-19 09:30:00

Targeted investments in climate science could lead to major benefits in reducing the costs of adapting to a changing climate, according to new research published by scientists from the UK's National Centre for Atmospheric Science (NCAS). Published in the scientific journal, the Bulletin for the American Meteorological Society, the study shows that investments made now, can lead to as much as 10-20% improvement in climate predictions for the UK and Europe in the coming decades, and up to 20%...

2009-07-27 09:26:55

Fossil coral data and temperature records derived from ice-core measurements have been used to place better constraints on future sea level rise, and to test sea level projections.The results are published today in Nature Geoscience and predict that the amount of sea level rise by the end of this century will be between 7- 82 cm "“ depending on the amount of warming that occurs "“ a figure similar to that projected by the IPCC report of 2007.Placing limits on the amount of sea...

2009-07-07 08:26:27

Suffering among the world's poorest people due to climate change is intensifying the need to find ways of adapting to warmer temperatures and potentially more droughts, floods and sea level rise, a University of Arizona professor wrote in a new report by the organization Oxfam International."Because the effects of climate change have unequal impacts, there is a clear need for strategies and funds for adaptation," Diana Liverman wrote in the foreword to Oxfam's July 6 report, "Suffering the...

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2009-06-19 05:35:00

The US is already experiencing extreme weather, drought and heavy rainfall as a result of human-induced climate change, and the changes are likely to continue into the future, leading climate scientists reported on Wednesday. The report "Global Climate Change Impacts in the United States" forecasts hotter, drier conditions, resulting in "significant effects on the environment, agriculture and health" for the southwest region, according to experts from 13 US government science agencies,...

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2009-05-01 11:25:00

In a new report from the National Science Foundation, researchers outline signs of global warming discovered "from the icy expanses of the polar regions of Earth to its equatorial ecosystems." The 114-page report titled "Solving the Puzzle: Researching the Impacts of Climate Change Around the World," addresses key research findings from the Earth elements of sky, sea, ice, land, life and people. "Climate is a fundamental factor in ecosystem health," researchers wrote. "While most species can...

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2009-04-08 15:22:44

Though greenhouse gases are invariably at the center of discussions about global climate change, new NASA research suggests that much of the atmospheric warming observed in the Arctic since 1976 may be due to changes in tiny airborne particles called aerosols. Emitted by natural and human sources, aerosols can directly influence climate by reflecting or absorbing the sun's radiation. The small particles also affect climate indirectly by seeding clouds and changing cloud properties, such as...

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2009-04-07 13:00:00

A poll of scientists, released on Tuesday, showed that global warming is likely to overshoot a 3.6 degrees Fahrenheit rise, seen by the European Union and many developing nations as a trigger for "dangerous" change, Reuters reported. The evidence that mankind is to blame for climate change has grown stronger in the past two years, according to 9 of the 11 experts, who were among the authors of the final summary by the U.N.'s Intergovernmental Panel on Climate Change in 2007 (IPCC). The...

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2009-03-10 13:20:00

More than 2,000 climate scientists gathered in Copenhagen on Tuesday to focus on global warming's rapid acceleration, the AFP reported. New research suggests the impact of global warming could be even worse than predicted by the UN Intergovernmental Panel on Climate Change (IPCC) in 2007, with natural disasters like floods, drought, disease and extreme weather, arriving sooner rather than later. Scientists fear the possibility that human activity -- mainly the burning of oil, gas and...

2009-02-25 11:55:00

 A new study by scientists updating some of the findings of the Intergovernmental Panel on Climate Change (IPCC) 2001 Third Assessment Report finds that even a lower level of increase in average global temperatures due to greenhouse gas emissions could cause significant problems in five key areas of global concern.The study, published in the Proceedings of the National Academy of Sciences, is titled "Assessing Dangerous Climate Change Through an Update of the IPCC 'Reasons for...

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2009-02-15 07:45:00

According to a top climate scientist, warnings about global warming have not been severe enough. Just over a year ago, the Nobel-winning Intergovernmental Panel on Climate Change (IPCC) issued a report warning of expanding deserts, intense storms, rising sea levels, and an extinction of up to 30 percent of animals and plants due to global warming. A recent study suggests that the report underestimated the severity of climate change over the next century, says a senior member of the IPCC. "We...