There are other ways we can do our bit to save the planet. If governments are serious, why not build every new home / building with solar panels which in turn will feed excess electricity back into the system which will reduce reliance on coal. The price of solar panels will become more affordable, also making it an option for those wanting to make changes to existing homes, and help the environment at the same time.
There are many ways governments could introduce changes to help save the environment just one of which is Solar power.