Earth Hour 2017: Is Turning Off Your Lights For An Hour Really Helping The Environment? Earth Hour on March 25, Saturday, at 8:30 p.m. will have city skylines going dark after the lights are off. More than 7,000 cities in 170 countries will join the event for promoting awareness on energy efficiency and climate change. by Kalyan Kumar
Science Turn It Off, Baby! Earth Hour 2015 Seeks Another Hour Of Darkness To Promote Sustainability by Dianne Depra
Tech 'What's on your mind?:' Five pct of Brits check Facebook during sex says survey by Lori Sandoval