Chancellor Angela Merkel said the deal had sent a signal of hope to secure the living conditions for billions of people in the future, and called Paris a historic turning point in global climate policy.

Environmental group Greenpeace said in order to keep global temperatures from rising by significantly less than two degrees Celsius, as the deal envisages, the German Chancellor needs to insist that the European Union improves its "weak" climate target, and to push ahead with an exit from coal in Germany.