The environmental world is filled with amazing photo opportunities. We bring you a huge photo every day — like this tiger beating the heat. We've pulled them all together for your convenience.
Despite the heavy pollution, 57 million people depend on the Yamuna's sewage-filled waters for washing, drinking, religious ceremonies and waste disposal.
The new American Trail exhibit at Smithsonian's National Zoo features two massive state-of-the-art pools that utilize wave machines to mimic natural coastal waters.