Climate Home: US president Barack Obama is to reject plans for the controversial Keystone XL pipeline, weeks ahead of a UN climate summit in Paris.
The 1,179 mile long pipeline would have carried high-carbon tar sands oil from Canada to the US gulf coast and was fiercely opposed by green groups.
"This morning secretary [of state] Kerry told me after extensive outreach the Keystone pipeline would not serve the national interests of the US," Obama said in a White House statement, flanked by Kerry and vice...