Former dolphin trainer Ric O'Barry, star of the new documentary The Cove, again confronts the Japanese town where dolphins are trapped and killed by hand in "drive hunts." Video.
The North Pole is warmer now than it has been in the past 2,000 years, a trend that is holding off the next ice age, according to the most extensive study yet on Arctic climate change.
Over the past 30 years key species have declined by 40 percent both inside and outside the reserves, according to a new study that questions a central tenet of Kenya's wildlife conservation strategy.
Low water levels at a southern Mexico reservoir have revealed the remains of a 16th-century convent submerged when the lake was created 40 years ago. Video.
See undersea worlds that stand to be lost—and that six Southeast Asian governments are trying to save with their new Coral Triangle initiative to protect coastal reefs. Video.
Using solar panels and biogas reactors, the nonprofit Solar CITIES project is bringing rural energy solutions to the urban poor in Egypt's largest city.
Asia's growing appetite for meat threaten the already water-stressed region with severe food shortages, scientists warned at an international conference in Sweden last week.
But attendees heading to the Kennedy funeral in Boston needn't worry, as the storm has not gained hurricane strength and will likely only dampen the region with heavy rainfall, experts say.
