User talk:Kelstein/TWA/Earth





This is the talk page for discussing improvements to The Wikipedia Adventure Earth article

Reliable sources about Earth?

 * "Planet Earth in the Balance of History". Gnawledge, O'penn . Science and Nature Journal. . March 21, 2010. * http.sanj.com/Earthinthebalance. Retrieved.

Hope that helps! --GaiaGirl86 (talk)