Earth Hour 2013

TV channels
Earth Hour was covered extensively in the United States with segments on The Oprah Winfrey Show, NBC Nightly News, CBS Evening News, The Today Show, Good Morning America, CNN, CNN International, The Weather Channel and more. Several stations around the United States went live with their coverage, including NBC in Atlanta, who did an hourlong Earth Hour special during the event.
Canada's The Weather Network moved its studios outside between 8 and 9 p.m. EDT for Earth Hour, using only an LED light for the hour.