Smoke billows out of the chimneys where Greenpeace activists painted a message reading 'Smoking Kills' on a chimney (left) of the Kolaghat Thermal Power Station in Kolaghat, some 75 kms west of Kolkata, in 2007. India's reliance on coal means the country is heading for an energy crisis unless it diversifies its sources of power, the chairman of the UN's top climate change panel has predicted.
(AFP/File/Deshakalyan Chowdhury)