Historic submarine and modern satellite records show that average ice thickness in the central Arctic Ocean dropped by 65 percent from 1975 to 2012. September ice thickness, when the ice cover is at a minimum, dropped by 85 percent.
A new report provides projections of New York City's climate to the end of the century, noting that higher temperatures, heavy downpours, sea level rise, and intensified coastal flooding are the major climate hazards expected for the region.
Rare historic records of the changing seasons are helping scientists better understand how woodland trees and flowers are responding to climate change.
A new study says a record drought that ravaged Syria in 2006-2010 was likely stoked by ongoing manmade climate change, and that the drought may have helped propel the 2011 Syrian uprising.
In California, dry years coupled with warm conditions are more likely to lead to severe drought than dry, cool years, and the probability of warm and dry conditions coinciding is likely to increase under anthropogenic climate change. Warm conditions reduce snowfall, increase snowmelt, and increase water loss from soils and plants.
The chemical signature of water vapor emitted by combustion sources such as vehicles and furnaces has been found in the smoggy winter inversions that often choke Salt Lake City. The discovery may give researchers a new tool to track down the sources of pollutants and climate-changing carbon dioxide gas.
A study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica was likely the refuge for one of these populations.
From Saharan dust storms to icy clouds to smoke on the opposite side of the continent, the first image from NASA's newest cloud- and aerosol-measuring instrument provides a profile of the atmosphere above Africa.
Thick fogbanks can blanket open roads and runways and dramatically reduce visibility -- often causing devastating accidents. A new study from Tel Aviv University suggests that a practical solution to fog detection can be found in cellular communication networks already in place all over the world.
For the first time, a NASA satellite has quantified in three dimensions how much dust makes this trans-Atlantic journey. Scientists have not only measured the volume of dust, they have also calculated how much phosphorus -- remnant in Saharan sands from part of the desert's past as a lake bed -- gets carried across the ocean from one of the planet's most desolate places to one of its most fertile.