Human activity driving climate change: leaked report
Human activity is almost certainly the cause of climate change and global sea levels could rise by several feet by the end of the century.
Too late to stop extreme heat waves: study
Climate change will trigger harsher and more frequent heat waves in the next 30 years regardless of the amount of Earth-warming carbon dioxide we emit.
Climate change seen behind ancient civilizations' fall
A cold, dry spell that lasted hundreds of years may have driven the collapse of Eastern Mediterranean civilizations in the 13th century BC.
US sweats out massive heat wave
Clutching water bottles, New Yorkers battled a sweltering heat wave Friday with temperatures topping 104 degrees Fahrenheit (40 degrees Celsius) and intense humidity packing an additional punch.
Habitat loss doubles coastal flood impact - study
Removing mangroves, marshes, reefs, forests, dunes and other natural defences doubles the risk for life and property from coastal floods.
Red Cross cartoon to demystify Pacific climate change
The Red Cross has launched a light-hearted education campaign aimed at those it describes as most vulnerable to climate change.
World Bank chief faces challenges as he makes his mark
In his first year as president of the World Bank, Jim Yong Kim has tried to refocus the institution on fighting poverty and climate change -- but challenges lie ahead.
Obama lays out national plan to fight climate change
US President Barack Obama on Tuesday laid out a broad new plan to fight climate change, using executive powers to get around "flat earth" science deniers who have blocked action in Congress.
Rising seas washing away Pacific leader's home island
As the US urges world leaders to ramp up action on climate change, the leader of one small island chain in the North Pacific Ocean has already got the message -- watching helplessly as rising seas slowly erode his birthplace.
World's largest all-solar-powered boat shines in NYC
The world's largest fully solar-powered boat, "Turanor PlanetSolar," docked in New York on Tuesday during a mission to study the effects of climate change on the Gulf Stream current.
Most coal must stay in ground to save climate: report
Most fossil fuels must remain in the ground because burning them will unleash changes which will "challenge the existence of our society".
UN climate talks: No consensus on... well, consensus
A debilitating row with Russia at UN climate talks this week exposed a fundamental flaw in how decisions are taken -- the entire system balanced precariously on an ill-defined notion of consensus.
Gillard teams with Schwarzenegger on climate action
Australian Prime Minister Julia Gillard joined forces with former California governor Arnold Schwarzenegger Thursday to urge global action on climate change, saying politics must be put aside.
Bloomberg's $19 bn plan to guard NY against climate change
New York Mayor Michael Bloomberg unveiled Tuesday a $19.5 billion plan to boost the city's defenses against climate change, seven months after superstorm Sandy devastated the US East Coast.
Oxfam warns of health risks to Syria refugees
Aid organisation Oxfam warned on Monday that the warmer weather will increase health-related risks for hundreds of thousands of Syrian refugees in Jordan and Lebanon, and appealed for urgent funds.
Warming to hit half of plants, a third of animals
More than half of common species of plants and a third of animal species are likely to see their living space halved by 2080 on current trends of carbon emissions.
Historic greenhouse gas level sparks calls for action
The level of carbon dioxide in the atmosphere has surpassed 400 parts per million for the first time in human history, US monitors announced Friday, sparking new calls for action to scale back greenhouse gases.
Rising sea levels threaten migratory birds - study
Millions of birds that stop at coastal wetlands during annual migrations could die as rising sea levels and land reclamation wipe out their feeding grounds.
Late 20th century was warmest in 1,400 years
Earth was cooling until the end of the 19th century and a hundred years later, the planet's surface was on average warmer than at any time in the previous 1,400 years.
Economist warns of 'radical' climate change, millions at risk
The author of an influential 2006 study on climate change warned Tuesday that the world could be headed toward warming even more catastrophic than expected but he voiced hope for political action.