Rapid Climate Change - a big issue

There is a inherent problem with issues that are too big to grasp. They simply does not connect to our daily lives or thoughts for the most of us. The demographic issues is one example. Environmental issues in general are difficult, but ones that take on a global perspective are extremely tricky. The issue of Rapid Climate Change is one that has been evolving over many years. Read about it's story in this AIP essay at http://www.aip.org/history/climate/rapid.htm

What about the catagory of Big Issues? Is any political system today really organized to deal with these issues or do our new global perspective require new political models??