The presence of El Niño boosts the odds of big Denver-area snowstorms, even though the region's winters as a whole aren’t substantially wetter during El Niño. It’s a good example of nuance in the relationship between El Niño and climate.

As the U.S. Senate considers climate change legislation, 18 leading scientific organizations have sent a letter to members of the senate reaffirming the scientific consensus that climate change is occurring and that greenhouse gases from human activities are the primary driver.

The National Center for Atmospheric Research (NCAR) has passed an Open Access policy requiring that peer-reviewed research published by its scientists and staff in scientific journals be made publicly available online through its institutional repository.

Students, parents, and teachers are invited to enjoy hands-on science and Halloween fun at Super Science Saturday on October 24 at NCAR.

Preliminary research at NCAR suggests that biological particles may contribute significantly to the mass of organic carbon stored in atmospheric aerosols. The study is an important step for scientists.