Rivers support billions of people but are among the least protected parts of nature. A major review shows what needs to be done as climate change accelerates.

India, Feb. 24 -- Chief Minister Omar Abdullah on Monday advocated the introduction of artificial snow generation systems in Gulmarg, saying the move was essential to safeguard winter sports and ...

Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey.

We are only at the beginning of climate destabilization, in which winter weather grows more erratic and extreme.