The fact is that we need more science involved in this whole process. Everyone needs a math table that will explain how much in % of global warming certain gadgets/actions/... cause. Corporations have to understand that same thing. Governments have to understand the same thing and has to start giving tax incentives for corporations to become less pollutive. Then in a 10-year period governments should start increasing tax for the polluting corporations.

We need not have an abrupt change of laws. Whenever an abrupt change happens, someone always gets richer. We should work slow, but effective to first understand global warming and then only start making laws regarding it.

Of course big-time polluters sending toxic waste down rivers, etc should be punished right away.

Let us take another view though. Mercedes keeps making their cars bigger every year. The new C class is what E class looked like 5 yrs ago. The new E class is like what S class used to be 5 yrs ago. No matter how great the comfort is to be in one of these cars, there should be a feeling of social responsibility. We are running out of oil. Stop making machines to consume more and more of it.