Personally I think its a natural cycle. I dont think humans have as much effect on it as we are lead to think. I do think that the new era of 'green' thought is more political is origins than anything to do with the environment. Just look at Copenhagen for example. It seems more an effort to push forth a form of global government than anything else.
Ban Ki-moon: “We will establish a global governance structure to monitor and manage the implementation of this.”
“We need to have a very strong, robust, binding political deal that will have an immediate operational effect. This is not going to be a political declaration, just for the sake of declaration. It is going to be a binding political deal, which will lead to a legally binding treaty next year”
David Rothschild: "It’s past the point of talking. We know historically that the global governance sort of agenda to these issues is very hard to… with all the best intentions it’s very hard to actually activate.”
EU President Herman Van Rompuy: "“The first step towards the global management of our planet.”