satellite

A hydoelectric dam is damaged, nestled in the Himalayan mountain scape.

Cause and scope of the Uttarakhand disaster

In February, the Uttarakhand region of India experienced a humanitarian tragedy when a wall of rock and ice collapsed and formed a debris flow.


A view over a hazy city stretching into the horizon.

NASA satellite offers urban carbon dioxide insights

Using data from NASA’s Orbiting Carbon Observatory-2, researchers found connections between the population density of cities and how much carbon dioxide they produce per person.