NEW YORK, NY - NOVEMBER 21: Hillary Rodham Clinton attends the Cookstoves Future Summit on November 21, 2014 in New York City. Clinton, who is the Leadership Council Chair for the Global Alliance for Clean Cookstoves, spoke to donors, activists and members of the media on the importance of clean cookstoves for families in parts of the developing world. Globally, 3 billion people rely on solid fuels to cook. This has resulted in polluted household air that kills over 4 million people every year and sickening millions more. The Global Alliance for Clean Cookstoves looks to replace old stoves with more efficient and cleaner one's which would drastically reduce the negative health issues associated with older stoves. (Photo by Spencer Platt/Getty Images)

Image: Hillary Clinton Addresses Cookstoves Future Summit On Indoor Pollution