Flips from warm temperatures to cold and vice versa have become quicker, more frequent and more intense, a new study shows. Here's why that is problematic.

Flips between warm temperatures to cold and vice versa have become quicker, more frequent and more intense in recent decades, a new study shows.

NOAA research shows it would take the average tree more than 1500 years to sequester the amount of carbon dioxide a whale can ...

While the Earth Day movement has helped raise awareness about human-amplified climate change and has led to some regulatory ...