Sunlight sparks chemical reactions in the lower atmosphere

Atmospheric aerosols such as smoke, fog, and mist are made of fine solid or liquid particles suspended in air. In the lower atmosphere aerosols play a major role in controlling air quality, as well as in scattering and absorbing ...

The science behind tweeting in times of crisis

When tragedy struck on 9/11, Jeannette Sutton was a graduate student. She remembers receiving the same calls as many others did—"Turn on your TV." But shortly after, she received another call that would change the trajectory ...

Small alpine insects are big messengers of climate change

Two rare alpine insects—native to the northern Rocky Mountains and dependent on cold waters of glacier and snowmelt-fed alpine streams—are imperiled due to climate warming-induced glacier and snow loss according to a ...

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