http://www.pewresearch.org/fact-tank/2016/04/18/what-the-world-thinks-about-climate-change-in-7-charts/

On April 22, leaders and representatives from more than 150 countries will gather at the United Nations to sign the global climate change agreement reached in Paris in December. Pew Research Center’s spring 2015 survey found that people around the world are concerned about climate change and want their governments to take action.