CLIMATE CHANGE

A federal court has defended the Obama administration's unprecedented push to limit greenhouse gas emissions, laying down a marker in the debate over the limits of environmental regulation.

While coal has powered the 19th-century Industrial Revolution, heated homes and generated electricity, the era of King Coal has come to an end.

Drones can save lives! Unmanned Aerial Vehicles (UAVs) or Conservation Drones will soon be used to save nature and protect endangered species in Nepal, after the World Wide Fund for Nature (WWF) successfully tested drones for monitoring activities in protected zones.

Twenty years after the 1992 Earth Summit, world leaders are returning to Rio de Janeiro to negotiate further progress toward sustainable development. However, the potential for this year?s Rio+20 Summit to have a similar impact is less likely.

Millions of years ago, the ice-covered Antarctica was much warmer and wetter than it is today, claimed a recent study. The climate along the edges of the frozen continent was even suitable to support substantial vegetation including stunted trees.

Five major corporations will join the emergency campaign to save the world's threatened forests by pledging to buy REDD multimillion dollar credits from projects protecting threatened forests around the world, the campaign announced Tuesday at the U.N. Conference on Sustainable Development, commonly known as Rio+20.

Sounding more climate change alarms, NOAA reports the U.S. just emerged from the warmest spring recorded.

Scientists describe finding an unprecedented phytoplankton bloom in the Arctic -- akin to stumbling across a rainforest in the middle of the Sahara.

Mexican President Felipe Calderon has signed into law climate change legislation that will bind the country to significant cuts in greenhouse gas emissions. Only Great Britain has done the same

The 1,500-mile-long Reef, off the coast of Queensland, was placed on UNESCO?s World Heritage List in 1981.

The situation is so dire, Maliki declared, that states could conceivably go to war over the precious substance.

Higher temperatures, exacerbated by climate change, is expected to lead to the death of 150,000 Americans by the end of the century.

As soils, freshwater, oceans, forests and biodiversity are being rapidly degraded and climate change puts more pressure on the resources, it is time to rethink how we grow, share and consume our food.

A Japanese rocket has successfully delivered a South Korean satellite, possibly designed for military purposes, into orbit. The launch occurs a little more than a month after North Korea's spectacular rocket failure in mid-April.

Time to update his Facebook relationship status; Al Gore has a new girlfriend. Former vice president Gore, 64, is dating serious girlfriend Elizabeth Keadle. Gore separated from his wife Tipper in 2010 after over 40 years of marriage and four children. The announcement of a new girlfriend comes just two years after their split with no reports about a coming divorce.

A report released Tuesday by the United Nations Development Program argues that Africa must increase its agricultural productivity in order to keep up with promising rates of economic growth.

Rio+20, the U.N. Conference on Sustainable Development set for Rio de Janeiro next month, has been hailed as a major opportunity for world leaders to address climate change, but its importance threatens to be diminished as key players opt out.

Democrats are seeing shades of 2010 in the Indiana Senate race, contending that Republican Richard Mourdock's primary win over longtime incumbent senator Dick Lugar gives them an opening.

The six-term Republican senator from Indiana issued a statement more than 1,000 words long after losing a primary battle to Richard Mourdock, a state treasurer.

Dinosaur farts and burps could have had a significant effect on prehistoric climate change, according to a new study from a trio of British scientists.

The PlanetSolar catamaran became the first vehicle to circumnavigate the globe using solar energy on Friday when it pulled into Monaco after 19 months at sea.