Posts tagged with Earth Hour Archives - Powerlines

Earth Hour Worldwide: The Lights-Off Event

Seattle City Light invites you to join us and millions of people across the world in celebrating a commitment to the planet during Earth Hour on Saturday, March 28 2015 at 8:30 p.m.

City Light Sign to Go Dark During Earth Hour March 23

Seattle City Light is participating in Earth Hour on March 23 by turning off the historic City Light sign at the South Service Center from 8:30 to 9:30 p.m.