Temperatures may rise to a point where animal and plant life start dying in massive numbers, scientists say. The theory is hotly debated.

California's raging wildfires have also created hordes of animal evacuees, many of which have ended up at the county fairgrounds.

Unrelenting fires have forced nearly one million people from their homes, in what has become the largest-ever emergency evacuation in California history.

Fueled by fierce desert winds, wildfires have charred at least 1,200 homes and forced more than 300,000 southern Californians to evacuate.

A quarter million people have been ordered to flee California wildfires. Fierce Santa Ana winds whipping the flames make the blazes difficult to control.

A Ugandan national park is a sanctuary for some 325 mountain gorillas, about half of the critically endangered species' population.

Futuristic cars from 17 countries set out to cross the continent on October 21 in the 20th biennial World Solar Challenge.

A moonlight-sensing protein triggers millions of corals to release their sperm and eggs simultaneously in the Great Barrier Reef, a new study says.

The invasive snail, originally imported as an exotic menu item, has instead left a trail of disease and environmental damage throughout the country, experts say.

Knights Templar secrets revealed, Muslims observe Eid-al-Fitr, Thai vegetarian festival, more.

The gray crowned crane, Uganda's iconic national bird, is dwindling in number as "witch doctors" and poachers illegally take the birds for potions and pets.

Despite a reputation as deep-forest dwellers, barred owls are thriving in suburban Charlotte, North Carolina, ongoing research has shown.

Faced with the likely eruption of Mt. Kelud, Indonesian officials ordered the evacuation of 116,000 people on the densely populated island of Java.

A warmer climate in Greenland has opened up new possibilities for economic development, but it may have negative effects on the island's native people, WWF says.

The thinness of the Indian continent allowed it to speed northward at ten times the rate of other tectonic plates after the breakup of a supercontinent 150 million years ago, a new study suggests.