Former US president Barack Obama has told the Cop26 climate summit that island nations are the “canaries in the coalmine” of climate change and are sending a message on the need for urgent action.

WASHINGTON — Former President Barack Obama slammed the Trump administration's repeal of a landmark climate finding from the Democrat's presidency, saying the United States is "less safe" after ...

Submerged countries, abandoned cities and floods of refugees await the world barring urgent action on climate change, President Barack Obama warned Monday, painting a doomsday scenario as he opened a ...

YOSEMITE NATIONAL PARK, Calif. (AP) – President Barack Obama says climate change is the biggest threat to U.S. national parks. Obama says meadows are already drying out at Yosemite National Park in ...

(AP) President Barack Obama’s push to fight global warming has triggered condemnation from the coal industry across the industrial Midwest, where state and local economies depend on the health of an ...

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The Trump administration action overturns the 2009 finding issued by the Environmental Protection Agency during the administration of Barack Obama. That determination concluded that carbon dioxide and ...

Yvo de Boer, who heads the UN Framework Convention on Climate Change, says global economic woes are a setback for climate change policy but new U.S. leadership is a “huge signal of encouragement to ...