Cancún climate summit: Yet another opportunity losthttp://www.guardian.co.uk/commentisfree/2010/dec/13/cancun-climate-summit-leader-editorialAny significance of the decisions taken vanishes when matched against the scale of things to come On Saturday, David Cameron hailed the decisions of the world climate conference in Cancún, Mexico, as a "significant" step. The prime minister did not say a big step, or even a small step.Mon, 13 Dec 2010 01:11:00 +0100guardianenguardian-fc7b9447b4dc57c8c8e97a3f4d7b7e5fEnvironmentCopenhagenSummitClimateChangeEcologyNaturalDisastersEU-AfricaEU-AsiaEU-LatinAmerica19.3395004253507 -99.6272668409776