Major landmarks, businesses and households in cities around the world turned their lights off for one hour at 8.30pm local time on Saturday 23 March to raise awareness of the climate crisis and show support for renewable energy
March 2021
Global landmarks turn off the lights to mark annual Earth Hour
This year’s event focuses on the link between harming the natural world and disease outbreaks like Covid-19
April 2020
Earth Day goes digital to engage online gamers with environment issues
Event’s 50th anniversary sees digital activism replace demonstrations, due to coronavirus
March 2020
'Put Earth first': can a greener, fairer fashion industry emerge from crisis?
Covid19 has forced the industry to stop. The best we can hope for is a rebirth that puts people and planet ahead of profits. Earth Hour this Saturday is a further reminder that every moment counts
March 2019
Earth Hour: landmarks go dark to highlight plight of planet
Cities worldwide take part in WWF event to call for action on climate change
March 2018
The upside
'It's more than just turning off the lights': what else to do for Earth Hour
Tell us: what actions will you be taking for Earth Hour?
June 2016
Circular economy
Can the advertising industry sell us waste-free living?
The founder of WWF’s Earth Hour, Andy Ridley, believes the creative industries are key to building support for the circular economy
March 2016
Earth Hour 2016 – in pictures
Major landmarks, businesses and households in cities around the world turned their lights off for one hour at 8.30pm on Saturday 19 March to raise awareness about climate change and show support for renewable energy
March 2015
Landmarks go dark for Earth Hour - video
Earth Hour around the world
Sustainable living
Artists get creative against climate change for Earth Hour
Earth hour: millions will switch off lights around the world for climate action
March 2014
'Unplug the unnecessary': the Chill Pill poetry collective respond to Earth Hour – video
Simon Mole and Mr Gee from the underground poetry collective Chill Pill create a performance inspired by news stories about the global food shortage
Earth Hour around the world – in pictures
Lights were switched off at famous landmarks in cities across the globe for an hour on Saturday night to mark Earth Hour
Modern Toss
Save energy during Earth Hour at 8pm tonight
Modern Toss
Earth Hour: millions to switch off lights around the world
How to teach ...
How to teach ... Earth Hour
March 2013
Earth Hour 2013 celebrations around the world – in pictures
International landmarks switch off lights for Earth Hour – video
