World Wildlife Fund

Earth Hour 2010

Earth Hour Coming Saturday; One Group Says Keep The Lights On

The World Wildlife Fund and environmentalists in dozens of nations are urging you to turn out your lights for an hour Saturday night, for the sixth annual Earth Hour.

CBS Chicago–03/30/2012

Earth Hour 2010

Landmarks To Turn Lights Out For Earth Hour

Several Chicago area landmarks will go dark Saturday night for at least an hour as Illinois takes part in Earth Hour.

CBS Chicago–03/26/2011