Few things would venture into the dense thorny scrub favored by the endangered ocelot. But with little of south Texas considered suitable habitat for the remaining 50 or fewer rare cats, the ocelots remain vulnerable.

A study by more than 30 experts from Argentina, Bolivia, Brazil and Paraguay warns of the threat menacing the survival of fish species and 50 riverside settlements in the Río de la Plata basin, which is the second largest river system in South America aft

Officials at UC Berkeley are warning coastal residents to help prevent the spread of a water-borne mold, the cause of a deadly plant disease threatening California tribal lands.

Oceans absorb about 25% of the world's greenhouse gases pumped into the atmosphere from human activities each year, says a new UN report... Ocean acidity could increase 150% just by mid-century, according to the report by the secretariat of the UN Convent

Tetepare may be one of the last tropical island paradises left on earth. The 120 square kilometer island (46 square miles), long untouched by industry or agriculture, is currently threatened by logging interests.

Full petition text: "I support President Obama's plan to enforce limits on global warming pollution from coal plants and other big polluters under the Clean Air Act."

In March, representatives from countries around the world will meet to discuss the Convention on International Trade in Endangered Species (CITES), the treaty that regulates international commercial trade in wild species of plants and animal

America's fisheries are in serious trouble. Overfishing, wasteful bycatch and other threats are pushing our fisheries to the brink. Scientists can only say for sure that about 25% of U.S. fisheries are sustainable.

News reports are saying that the Senate is considering opening previously protected areas to offshore oil drilling as part of a "trade" to get a climate change bill passed. Offshore drilling is not only counterproductive to the goal of stoppi

World leaders walked away from the global summit in Copenhagen without a treaty that will save the climate. The US, EU and Australia put short-term national interests before the fate of our planet. Together, we must let leaders know that we expect nothing