A labourer drinks water as smoke rises from a chimney of a brick factory at Togga village on the outskirts of the northern Indian city of Chandigarh in this December 6, 2009 file photo. India has promised to make its economy more energy efficient and to cut emissions intensity of its GDP by 33-35 percent by 2030 from 2005 levels, in a climate-change policy statement released ahead of a U.N. summit in Paris in December. (Photo by Ajay Verma/Reuters)
