I would say "politics and money" instead of just "politics".
I can't access the report at the moment, but I'll respond anyway (because that's what I do).
I am convinced there is something to mankind's use of the Earth and temperature changes. The problem here, however, is that there are temperature changes in the Earth that occur naturally over time. So how much of the cause is natural and how much is due to mankind's use of the Earth? I do not know of a single study that can answer the question intelligently.
As such, I have problems with extremists on either side of the issue. We need a common sense, implementable set of solutions. Considerable nuclear power expansion is, in my mind, one part of the solution. We need more efficient cars and more research into reduction of fossil fuels in making them run. Someone should research the much greater use of trains in transporting goods.
These ideas barely scratch the surface, but are the sort of things that should be considered. Banning all fossils fuels by 2030, for example, is the sort of idea that should go straight into the trash heap.