U.N. climate talks reached a milestone Saturday when more than 190 countries adopted the first accord asking all countries to join the fight against global warming.
Locking in an action plan to cap global warming at two degrees Celsius will be the ultimate yardstick for success or failure at the Paris climate summit that opens in a week.
A killer snowstorm in the Himalayas, a scorching heat wave in Argentina and lashing rainfall in southern France last year were all made worse by climate change, international scientists said Thursday.
Snowy white winters are likely to become a thing of the past for most Swedes.
A team of elder Silicon Valley scientists is building an audacious device that might solve one of humanity's most profound dilemmas - a "cloud whitener" designed to cool a warming planet.
Drought and record hot weather are producing lethal conditions for salmon and trout in rivers across the West.
Thousands of cities, provinces and states from around the world urged national governments on Thursday to deliver a "robust, binding, equitable and universal" planet-saving climate pact in December.
Leaders of city and regional governments gathered Wednesday in the French city of Lyon, in the grips of a western European heatwave, to demand a bigger stake in the global push to curb global warming.
Alaska residents endure the nation's harshest winters for the reward of beautiful summer days with sunshine that lingers until midnight.
Daily weather patterns have changed in recent decades, making eastern North America, Europe and western Asia more prone to nastier summer heatwaves that go beyond global warming, a new study finds.