The A-Bomb Dome, skeletal ruins of the former Hiroshima Prefectural Industrial Promotion Hall at Hypocenter, Hiroshima Peace Memorial, UNESCO World Heritage Site, Horoshima, Honshu, Japan, Asia

A woman in a mask holds onto a sign during a rally outside of a coal plant that was protesting against coal power and for raising awareness of global warming, on the international day of action promoted by 350.org, October 24, 2009, in Boulder, Colorado

A mass of people ride bicycles along Broadway in downtown Boulder, during a rally and demonstration against coal plants and to raise awareness of global warming, on the international day of action promoted by 350.org, October 24, 2009, in Boulder, Colorad