Earth Hour: Why People Across the World Are Turning Their Lights Off

Source: CNN - Top StoriesToday, millions of people from over 190 countries and territories will turn off their lights for one hour. The event is part of an annual tradition to raise awareness about climate change. To participate, just turn off the lights in your home from 8:30 p.m. to 9:30 p.m. in your local time zone. Iconic landmarks like the Empire State Building in New York, the Space Needle in Seattle, and the Willis Tower in Chicago will recognize Earth Hour by...