We've been watching temperatures climb, extreme weather events intensify, and ice sheets shrink. Every weather forecast and ...

Models, by definition, are approximations: useful, informative, and inevitably incomplete, because they are the only way to simplify a world too complex to grasp all at once. A new study on nitrous ...

Current global climate models (GCMs) support with high confidence the view that rising greenhouse gases and other anthropogenic forcings account for nearly all observed global surface warming—slightly ...

Climate models provide reliable projections of many aspects of a warming planet over the next century and beyond due to human-caused climate change. Climate models are sets of mathematical equations ...

The cover photo, taken at the Strait of Malacca in Malaysia, captures the Tyndall effect as sunlight filters through the clouds over the tropical Pacific. The interplay of light and shadow ...

After a record fall, when nearly the entire United States experienced drought—unprecedented in US Drought Monitor history—water managers and planners nationwide are nervously hoping for a wet winter, ...

Satellite image provided by the National Oceanic and Atmospheric Administration shows Hurricane Melissa churning northwest through the Caribbean Sea. The Category 5 hurricane is a recent example of ...

Climate models have been the basis for concern about climate change for more than 35 years. The US government, the United Nations, and organizations across the world have used model projections to ...

Eucalyptus trees, laden with flammable oils, could spread into Portugal's south-central region by 2060 if changing climate ...