A former prime minister of Australia argues that the success of the next climate change conference hangs on cooperation between the U.S., China, India and the E.U.<div><a href="http://www.nytimes.com/2015/05/26/opinion/kevin-rudd-paris-cant-be-another-copenhagen.html?partner=rssnyt&amp;emc=rss" target="_blank">Original link</a></div><div>Original author: KEVIN</div>