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 ...

BOULDER – Scientists at the National Center for Atmospheric Research (NCAR) have created a computer simulation showing Earth’s climate in unprecedented detail at the time of the greatest mass ...

In a time of increasing climate variability, researchers Pengfei Xue and Miraj B. Kayastha have developed regional Earth system models to better understand and predict extreme weather and ...

Dramatic droughts linked to the decline of the Classic Maya civilization approximately 800 to 1000 CE may not have required ...

A climate model running for thousands of simulated years has produced severe, decades-long droughts over the Maya lowlands ...

After yet another international climate summit ended last fall without binding commitments to phase out fossil fuels, a leading global climate model is offering a stark forecast for the decades ahead.

The critical Atlantic current system appears significantly more likely to collapse than previously thought after new research ...

A simulation of the planet from the DOE Energy Exascale Earth System Model, one of the large-scale models incorporated in the Earth System Grid Federation led by DOE’s Oak Ridge, Argonne and Lawrence ...

The lifetime of nitrous oxide is decreasing more quickly than expected, which is changing climate projections.

Agency cuts, layoffs and policy shifts are throwing America’s role into question. The world’s largest climate modeling initiative is quietly ramping up its next project, but U.S. participation is a ...