Category:Earth hour by year
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Subcategories
This category has the following 14 subcategories, out of 14 total.
- Earth hour 2008 (4 F)
- Earth hour 2009 (14 F)
- Earth hour 2010 (169 F)
- Earth hour 2012 (27 F)
- Earth hour 2013 (47 F)
- Earth hour 2014 (34 F)
- Earth hour 2015 (49 F)
- Earth hour 2016 (17 F)
- Earth hour 2017 (30 F)
- Earth hour 2018 (12 F)
- Earth hour 2019 (4 F)
- Earth hour 2020 (2 F)
- Earth hour 2021 (2 F)