As climate change melts the abundance of ice in the Arctic, polar bears are using more energy to hunt than they have in the past.
Researchers looked at data from every earthquake that's magnitude 7 or higher and noticed a correlation between severe quakes and Earth's rotation.
Global warming has had a huge negative impact on Glacier National Park's glaciers.
The earthquake hit at about 11:48 a.m. Saturday, according to the United States Geological Survey.
A 3.1 magnitude earthquake struck east of Greeley Sunday morning, the United States Geological Survey reports.
The earthquake was felt by more than a dozen people in four different cities in the Foothills.
New maps include risk of man-made earthquakes.