The Sydney Opera House, the Eiffel Tower, The Forbidden City, and the Leaning Tower of Pisa all will be turning off their lights for Earth Hour. But how does the online community show its support? ACG will be shortening all tweets to 60 characters during Earth Hour in a gesture to save power on the mighty Twitter servers that must save, process, and regurgitate the community tweets.

60 Character Earth Hour Tweets

From 8:30-9:30pm wherever you are tweeting from and no matter what you need to say, join ACG in a 60-character tweet hour to show our support for the Earth!

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