Hundreds of millions of people in countries like India, Pakistan, Nepal and Bangladesh depend on the Hindu Kush Himalayan glaciers for food, energy and water.
Four urban sections of the San Andreas Fault system in Northern California have stored enough energy to produce major earthquakes, according to a new study.
Satellite data show that one small “hot spot” in the U.S. Southwest produces the largest concentration of the greenhouse gas methane seen over the United States.