Ocean acidification describes changes in the chemistry of the world's seas, primarily the result of burning fossil fuels. Marine scientists are concerned that changes to the oceans' pH levels have severe consequences for marine wildlife and ecosystems.

Today's mass beaching of whales and dolphins at King Island was caused by seismic exploration, a whale conservation expert claims.

On a day trip to the fishing hamlet of Yeongdeok on the Eastern Coast of South Korea, I came upon what appears to be a Killer Whale. The whale was being butchered to the bone to be sold as meat at expensive Sushi restaurants.

Jaguars still roam the world's largest wetland and endangered Hyacinth Macaws nest in its trees but advancing farms and industries are destroying Brazil's Pantanal region at an alarming rate.

If we're not careful, our rush to produce green energy could do irrevocable damage to some fragile California ecosystems.

The United States has shifted its stance to call for a legally-binding global treaty to phase out deadly mercury use that threatens the health of people worldwide, officials saide

The Sea Shepherd ship Steve Irwin collided with the Yushin Maru #2 Picture: Blood pours out of the scuppers of Japanese factory whaling ship the Nisshin Maru after a minke whale was newly caught in Antarctica's Ross Sea.

A crewmember from the Steve Irwin was slightly injured after being struck by a high pressure water cannon fired from the Japanese whaling factory ship Nisshin Maru.

The Steve Irwin confronts the Japanese fleet in the Southern Whale Sanctuary. The whalers deploy water cannons and throw objects at Sea Shepherd crew members.

Japanese whalers blasted water from a cannon at conservationists who hurled bottles of rancid butter and paint during a clash Monday in frigid Antarctic waters, officials said.