Sources required

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  Please do not add or change content without citing verifiable and reliable sources. Before making any potentially controversial edits, it is recommended that you discuss them first on the article's talk page. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. 69.181.249.92 (talk) 09:32, 19 June 2010 (UTC)Reply

March 2011

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  Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to List of environmental issues, did not appear to be constructive and has been reverted or removed. Please use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you.  BC  talk to me 23:50, 15 March 2011 (UTC)Reply