Earth Day 2012

The Boston Globe publie des photos toujours impressionnantes, cette fois dans le cadre du Earth Day 2012
Heavy pollution surrounds the China Central Television headquarters building (right) in Beijing on January 18, 2012. The US embassy, which has its own pollution measuring system and which rates anything over 150 as unhealthy, was showing an index of 403, or 'hazardous'. (Ed Jones/AFP/Getty Images) #

Earth Day 2012 – The Big Picture –