There are a number of ways to reduce greenhouse gas emissions. We will use the example of photovoltaic subsidies in Slovakia to show how not to do it.
Reasonable climate policy means more benefits than costs. Therefore we need to know how expensive a warmer climate is before we cheer strict climate policy instruments. But that number is nowhere to be seen in the last WGIII-report. We are supposed to believe that two degree Celsius more would ruin the world.