::[http://www.ibtimes.com/articles/349422/20120606/mexico-climate-change-calderon-carbon-greenhouse-emission.htm In A First For Developing World, Mexico Enacts Climate Change Law] June 6, 2012 [[Special:Contributions/99.181.142.87|99.181.142.87]] ([[User talk:99.181.142.87|talk]]) 07:12, 17 June 2012 (UTC)

:::You can do better than that. That quotes President Calderon as saying that it's "the first developing country". It does note in the article's words that the UK was the first, though, so it can be used as a source for that statement. — [[User:Arthur Rubin|Arthur Rubin]] [[User talk:Arthur Rubin|(talk)]] 08:47, 17 June 2012 (UTC)