The Circular Economy (CE) is a possible answer not directly to climate change but indirectly, by minimising "negative externalities" i.e. waste it tackles over-exploitation of finite resources including carbon fuels. While complete circularity is essential for any system in the long term and CE advocates this systems-approach, by using free-market economics to get change the result is often single-loop implementation: trust the market to cream the curve, take the gains, and miss the holistic point while taking credit for the effort.
An excellent source of information on the subject is the Ellen MacArthur Foundation, which works on many levels to drive change...
More information may follow here in the future, but meanwhile please look at the excellent range of resources at the Ellen MacArthur Foundation website.
2014/15/16/17/18/19/20, Aberdeen Climate Action CIC: here to grow awareness, make change happen and not to profit