In Israel's Negev Desert, a scientist helped figure out a way to bring water to crops in dry regions, first in the Middle East and then around the world.
Being environmentally friendly is paying off for more than 400 LEED-certified hotels. See what they're doing and how you can be a better traveler.
What's a world without diversity? In both culture and biology, variety is key. Join a live webchat August 23 about culture and conservation.
South America's biggest and wealthiest city is waiting for the rain. If it doesn't come soon, São Paulo could run out of water before 2015....
Energy-conscious consumers prefer green homes. They save on energy and water bills and reduce their families’ environmental impact. It’s the right thing to do!...
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