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Earth Hour... Stop yourself from using your computer during Earth Hour with this free application. Simply double-click on it and leave it to alert you at 20:20, 20:25 and block your screen at 20:30. The app will automatically quit at 9:30. Apologies if it doesn't work... I threw it together this afternoon and haven't had much testing time.

Requirements for Earth Hour

Mac OS X 10.5 or later
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Earth Hour User Discussion

Current Version (1.x)
Downloads 465
Version Downloads 464
License Free
Date 28 Mar 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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