Wrigley Field

Lights go out for Earth Hour

Lights go out for Earth Hour

Lights blinked off in Chicago and around the world tonight to mark Earth Hour, an international effort to raise awareness about climate change.

From 8:30 p.m. to 9:30 p.m. local time around the globe lights were turned off in landmarks, businesses and homes, saving energy as a symbol to support efficiency and ecology.

In Chicago the Wrigley Field marquee hosted a ceremony by turning off excess lights, and other landmarks such as the Wrigley Building, NBC Tower  joined suit along with City Hall, the Cultural Center, Public Safety Headquarters, and additional city facilities.

Hundreds of other buildings, institutions and landmarks throughout the Chicago area --...