When it comes to renewable energy, there’s a new kid on the block and he’s making lots of new friends quickly.

Berta Cáceres fought to protect native lands in Honduras — and paid for it with her life.

The way a city uses and reuses space has a powerful impact on its identity and economy.

As environmental standard-bearer and green technology pioneer, no other state rivals California.

TreesCharlotte will turn its work of increasing the city’s tree cover into a way for colleges and universities to help fight climate change.

Many U.S. corporations have adopted environmentally friendly practices and touted themselves as green companies.

In California’s Sierras and around the world, extreme drought and rising temperatures are killing trees and threatening the viability of forests.

How wrong can you be? Years ago, in mounting disbelief, I watched a weasel in the Alps, behaving as if possessed by demons.

Kenya's president has declared the drought, which has affected as much as half the country, a national disaster.

For Argentina, you’ll need cash. For the Suez Canal, take cigarettes. And for some West African ports, make sure you carry some frozen chickens.