Latest news...
See how Earth Hour wowed the world in 2010, from the Pacific, Asia, Europe then across the Atlantic. Enjoy the amazing photos here...
The Queen and the PM switched off for Earth Hour 2010! Buckingham Palace, Windsor, Holyrood and Number 10. See full VIP list…
Other big sign-up facts… 125 countries, 1274 icons and landmarks went dark, from the Forbidden City in Beijing to the Las Vegas strip – lots more here…
WWF’s panda mascot went on tour across Scotland promoting Earth Hour – check out some fun snaps of the trip here (including ‘Night Golf’!)…
The keen (and strong-lunged) employees of HSBC did a special Earth Hour ‘Vertical Rush’ up their 48-storey office building in London Docklands…
Read our CEO David Nussbaum's Guardian piece on the importance of Earth Hour...
See more Earth Hour news...
Get involved!
UK landmarks in photos
Sign up to get to the top of the league!
See the big names that joined in...
Latest WWF UK Tweets
See more tweets here...
