World Photos

FILE - In this Thursday, July 23, 2009 file photo, an Indonesian police helicopter drops water to extinguish forest fire in Pelalawan, Sumatra island, Indonesia. For Indonesian farmers, burning down rainforests is the cheapest and fastest way to clear land for palm oil and paper pulp plantations. The millions of acres they burn every year has made their southeast Asian nation the world's third-largest producer of greenhouse gases. And, environmentalists warn, the powerful forestry and agricultural industry will likely stymie any efforts to crack down.