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.
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.
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.
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.
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.
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.
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.
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.
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.
Land within the Arctic circle is likely to experience explosive "greening" in the next few decades as grass, shrubs and trees thrive in soil stripped of ice and permafrost by global warming, a study said on Sunday.
Australia's weather went "on steroids" over a summer that saw an unprecedented heatwave, bushfires and floods, the climate chief said Monday, warning that global warming would only make things worse.
Scientists said Monday they have identified a physical mechanism behind the extreme weather that has plagued many parts of the world in recent years -- and that it is tied to climate change.
Tens of thousands of protesters gathered in Washington Sunday to generate pressure on President Barack Obama to take concrete measures to fight global warming.
US senators proposed a tax on carbon emissions Thursday amid growing calls for action on climate change, but the bill is expected to face staunch opposition from many conservatives.
US President Barack Obama on Tuesday told divided lawmakers he will act on climate change even if they do not, vowing to set ambitious long-term goals such as ending the car's dependence on oil.
Energy industry leaders on Wednesday called for a fresh push in the fight against climate change and urged governments to make it easier for the world's poor to access power sources.