Guardian: Barack Obama has six months to deliver on the promises he made in a rousing speech at the United Nations climate change summit, Europes climate action commissioner said.
Obama, in a well-received address on Tuesday, promised the United States would play a leading role in reaching an international agreement to fight climate change, due to be finalised in Paris at the end of next year.
Connie Hedegaard, who is responsible for ensuring the European Union meets its climate change obligations,...