Rain falling on an existing snowpack can trigger wet slab avalanches in the West. Learn how the rain-snow line and a historic El Niño raise the risk.

The Storm Team 11 Forecast calls for sunny skies and chilly conditions on Saturday with a high of 57 degrees. Clear and cold Saturday night with frost and a possible freeze. The low will be 32 degrees ...

This image illustrates the pathway for acid rain in our environment: (1) Emissions of SO2 and NOx are released into the air, where (2) the pollutants are transformed into acid particles that may be ...

The region's legacy of acid rain is clearly visible in the black crust on the gravestones at the Madison Street Cemetery in Hamilton, New York. Cassandra Willyard Geologist Rich April climbs the small ...

Watch this video to discover what causes it to rain more in some places than others. Grab your umbrella, it's another wet day. It rains a lot across Scotland, but that rain isn’t evenly spread. Some ...

This figure illustrates the pH level at which key organisms may be lost as their environment becomes more acidic. Not all fish, shellfish, or the insects that they eat can tolerate the same amount of ...