Earth Hour 2015

A week ago, on Saturday, March 28, iconic landmarks and skylines were plunged into darkness as people and businesses around the world participated in Earth Hour 2015, turning off their lights at 8:30 p.m. local time. Earth Hour was organized by the World Wildlife Fund in 2007 as a way to bring attention to energy consumption, sustainability, and climate-change issues. The images below (starting with photo number two) are interactive—click on each image to "turn off the lights."

Read more
Hints: View this page full screen. Skip to the next and previous photo by typing j/k or ←/→.

Most Recent

  • DenisTangneyJr / iStockphoto / Getty

    Massachusetts: Images of the Bay State

    A few glimpses of the landscape of Massachusetts, and some of the animals and people calling it home

  • Joseph Eid / AFP / Getty

    Photos of the Week: Watery Labyrinth, Giza Necropolis, Wuhan Opera

    Movie-making in Italy, a drive-in viewing of the World Series in Los Angeles, a church set ablaze in Chile, wildfires in Colorado, balloon crop-spraying in China, rescued huskies in Russia, and much more

  • Athit Perawongmetha / Reuters

    Photos: Prodemocracy Protests in Thailand

    A recent string of demonstrations against Thailand’s military-backed government continues despite crackdowns by officials.

  • Maxim Shemetov / Reuters

    Fall Is in the Air: Images of the Season

    Bundle up, maybe grab a mug of hot cider, and enjoy this batch of recent fall photos.