Each of us can make a difference if we step up and try our best / Becoming Planet Citizens
From Green Policy
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|current||01:12, 11 December 2015||2,632 × 1,345 (420 KB)||Siterunner||Category:Climate Change Category:Desertification Category:Earth Observations Category:Earth360 Category:Earth Science Category:Environmental Protection Category:Environmental Security Category:NASA [[Category:Planet Citi...|