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.

The so-called Station Fire doubled in size Sunday night, threatening thousands of L.A.-area residences and a historic observatory.

As monsoons and cyclones worsen due to climate change in the South Asian country, many coastal peoples are migrating to drier cities.

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.

Step aside, corn: Another summertime picnic favorite might be the next big thing in ethanol production, a new study suggests.

Chinese soldiers practice their singing, a "flydog" takes to the air in Hungary, and Greece's hillsides burn in this week's best news photos.

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.

Nitrous oxide emissions are going up as farmers grow more food, possibly thwarting the recovery of the fragile ozone layer.

Armed with needle-sharp fangs and powerful limbs sprouting from its head, the creature was found in the world's longest underwater lava tube in the Canary Islands.

As the Dead Sea—really a giant freshwater lake—dramatically shrinks, Palestinian, Israeli, and Jordanian environmentalists have begun to devise ways to slow the decline.

More than a decade after the predators were reintroduced to the Northern Rockies, up to 300 wolves may be killed this fall. But environmental groups claim the population has not recovered enough to endure such a loss.

After a century of pollution in the Seine, salmon are once again swimming by the Eiffel Tower in numbers that exceed "anything we could imagine," a French official says.

Lightning that shoots upward from clouds can carry as much electric charge as the strongest bolts that strike the ground, a new study says.

Amid chaos stemming from a March coup d'etat, hunting gangs are killing Madagascar's rare primates as bush meat for upscale restaurants, conservationists say.