WWF's Earth Hour

8.30pm on 31 March 2012. It's not just an hour of darkness. It's about a brighter future. Join millions of people turning off their lights for one hour, on the same night, all across the planet. Sign up at wwf.org.uk/earthhour

 
 

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  • When you support this cause your avatar will be overlaid with the Twibbon above and a support Tweet will posted on your behalf saying: Support WWF's Earth Hour, add our #earthhour twibbon & join hundreds of millions switching off for a brighter future http://twb.ly/id9COQ
  • We’ll also have you follow @wwf_uk. You can always unfollow them if you want.
  • By clicking "Show my support now!" you agree to the Twibbon Terms of Service

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