13-02-24 A new climate model predicts an increase in snowfall for Earth's polar regions and highest altitudes, but an overall drop in snowfall for the globe, as carbon dioxide levels rise over the next century. The decline in snowfall could spell trouble for...

13-02-19 In his Feb. 12 State of the Union address, President Obama singled out climate change as a top priority for his second administration. We can choose to believe that Superstorm Sandy, and the most severe drought in decades, and the worst wildfires so...

13-02-01 A hole in the Antarctic ozone layer has changed the way that waters in the southern oceans mix, a situation that has the potential to alter the amount of CO2 in the atmosphere and eventually could have an impact on global climate change, a Johns Hop...

13-01-30 According to a new technical report, the effects of climate change will continue to threaten the health and vitality of U.S. coastal communities' social, economic and natural systems. The report, Coastal Impacts, Adaptation, and Vulnerabilities: a t...

13-01-29 Research by U.S. Forest Service scientists forecasts profound changes over the next 50 years in the summer range of the endangered Indiana bat. In an article published in the journal Ecology and Evolution, Forest Service Southern Research Station re...

13-01-29 Earth's forests perform a well-known service to the planet, absorbing a great deal of the carbon dioxide pollution emitted into the atmosphere from human activities. But when trees are killed by natural disturbances, such as fire, drought or wind, t...

13-01-29 In what is believed to be the first study of its kind, researchers used genomic techniques to document the presence of significant numbers of living microorganisms -- principally bacteria -- in the middle and upper troposphere（对流层） , that secti...

13-01-20 Longer, warmer growing seasons associated with a changing climate are altering growing conditions in temperate（温和的） rain forests, but not all plant species will be negatively affected, according to research conducted by the U.S. Forest Service'...

13-01-20 In the coming decades, climate change will lead to more frequent and more intense Midwest heat waves while degrading air and water quality and threatening public health. Intense rainstorms and floods will become more common, and existing risks to th...

13-01-17 Using the meticulous（一丝不苟的） phenological records of two iconic American naturalists, Henry David Thoreau and Aldo Leopold, scientists have demonstrated that native plants in the eastern United States are flowering as much as a month earlier i...