It could be much more difficult than we thought to feed everyone in a warmer world. Satellite images of northern India have revealed that extreme temperatures are cutting wheat yields. What's more, models used to predict the effects of global warming on food supply may have underestimated the problem by a third.

Seven provinces and cities in China are to set caps on their greenhouse gas emissions, following a directive from central government. It's the first time the Chinese government has called for any absolute caps on emissions, having so far preferred softer "carbon intensity" targets.

The U.S. intelligence community needs an organization that can assess the impacts of climate change on U.S. national security interests in an open and collaborative manner, according to a new report from the Defense Science Board (DSB).

The majority of the public supports research into geoengineering technologies – methods to artificially control Earth's climate – according to a new survey.

Astrobiologists have released a report outlining a number of speculative scenarios where Extraterrestrials might contact Earth, including the possibility that they may detect our global warming problems and view as us a potential resource threat.

The first study to link global climate patterns to the onset of civil conflict places El Niño on a par with factors like poverty and social exclusion.

The world's oceans are facing unprecedented decline, a new report by a panel of scientists and conservationists warns. Ocean life is "at high risk of entering a phase of extinction of marine species unprecedented in human history," the panel of scientists convened by the International Program on the State of the Ocean (IPSO) said in a new report.

The accident at the Fukushima power plant in Japan has led to much discussion about the future of nuclear power. I believe one important lesson of the accident has been overlooked. Nuclear power is often touted as a solution to climate change, but Fukushima serves as a warning that far from solving the climate problem, nuclear power may be highly vulnerable to it.

Extreme rainstorms and snowfalls have grown substantially stronger, two studies suggest, with scientists for the first time finding the telltale fingerprints of man-made global warming on downpours that often cause deadly flooding.

In the next decade, the effects of a rapidly warming climate could kill 5 million people—as many as live in Singapore or Finland. More than 99 percent of those deaths will likely occur in developing countries, and almost four-fifths are expected to happen in South Asia and sub-Saharan Africa. There could be as many as a million climate-related deaths each year by 2030 if nations don't significantly cut planet-warming emissions, according to a report released Friday.