Alaska's Columbia Glacier is retreating and the front of the glacier is breaking off into icebergs in Prince William Sound. (CNN.com)
Scientists have been closely watching the current increased solar activity as the sun has ejected billions of tons of plasma towards the Earth. (Fox News.com)
Researchers using NASA satellite data say that the burning threat facing tropical forests has increased because of El Niño, land clearings, and agricultural burnings. (Alex Kirby, BBC News Online)
Scientists have discovered how the sun helps trigger the breakdown of low-level ozone in the Arctic and how, in turn, mercury levels increase in the snow pack. (Alexandra Witze, Dallas Morning News)
NASA and other agencies' early warning systems monitoring the sun?s current stormy season have helped power operators on Earth avoid overloads. (Maggie Fox, Reuters)
Columbia University?s International Research Institute for Climate Prediction looks at ocean surface temperatures for clues of the future state of the atmosphere. (John J. Goldman, Los Angeles Times)
Scientists believe that methane produced by South America's Amazon River wetlands has added to the 10,000 year-old increase in greenhouse gas around the globe. (Ginger Pinholster, MSNBC.com)
The World Meteorological Organization reports that this year was the fifth or sixth warmest on record and that these temperatures are consistent with the onset of global warming. (Reuters, BBC News Online)
NASA scientists studying tropical rainfall determined that smoke can reduce rainfall from a storm by as much as half compared to the same kind of storm over the ocean. (CNN.com, United Press International)
James Hansen?s climate research on greenhouse gases continues to be misunderstood, and he?s trying hard to change that. (Richard Monastersky, Chronicle of Higher Education)
The average temperature in the continental United States is projected to be 1.3 degrees warmer than the average over the last 106 years, according to the National Oceanic and Atmospheric Administration. (Kenneth Chang, New York Times)
Global warming is drying out northern timber and brush, causing fires in boreal forests, according to researchers. (Keay Davidson, San Francisco Chronicle)
Scientists have discovered that bromine may be preventing the Arctic ozone loss from recovering, even though chlorine levels are dropping. (Greg Lefevre, CNN.com; Associated Press)
New research indicates that ice streams that feed the West Antarctic Ice Sheet could be slowing because of the gradually changing shape of the ice sheet over the last 10,000 years. (Reuters)
Scientists were stunned by the discovery in the Atlantic of the largest hydrothermal vent system ever seen. (Usha McFarling, Los Angeles Times; BBC News Online; National Public Radio)
Only a combination of natural and human causes can explain the Earth's warming during the 20th century, according to a new study. Natural causes mattered more early in the century and human-induced causes in the present warming. (BBC News Online)
Antarctica's annual ozone hole has closed for the year. Scientists expect it to take 50 years to fully recover. (Jack Williams, USATODAY.com)
William Gray of Colorado State University is predicting a much less active hurricane season next year, with only nine named tropical storms, five of which will become hurricanes. (Kevin Chambers, Weather.com)
British researchers have evidence that sea ice across the Arctic has thinned by almost half in two decades. (BBC News - News.BBC.co.uk)
International researchers examining fossil records question the role of carbon dioxide as the main force driving climate variability. (BBC News - News.BBC.co.uk)
Researchers say that Alaska's Columbia Glacier is ready to disintegrate as it continues to break off more new icebergs quicker than it can accumulate new snow. (Reuters)
An international group of scientists is predicting that the Antarctic ozone hole will close within 50 years. (BBC News - News.BBC.co.uk)