For the purpose of raising interest in global warming, a global event "try not to use electricity for one hour on the last Saturday night of March every year"Earth · Hour". This year, on 28th March, ...

Every night, the Eiffel Tower lights up Paris' night sky, mesmerizing the hundreds who gather to see the more than 1,000-foot tower glisten in the moonlight. But the worst energy crisis since the '70s ...