The Kyoto treaty has failed, and it's failed even in Europe, which has had cap and tax since 2005.
A great deal of the universe does not need any explanation. Elephants, for instance. Once molecules have learnt to compete and to create other molecules in their own image, elephants, and things resembling elephants, will in due course be found roaming around the countryside. . . Some of the things resembling elephants will be men.