This is sad news. The direct impact on the carbon reduction might actually be not too large, as renewable energies are actually the cheaper alternative, and as

This is sad news. The direct impact on the carbon reduction might actually be not too large, as renewable energies are actually the cheaper alternative, and as many of the American states are pushing for carbon reductions. The big downside of the US quitting the Paris climate pact is the political signal it is sending. The pact was significant, because it was the first time the world managed to agree on something (except Syria and Nicaragua). Leaving the pact sends the signal, that the US does not want to internationally collaborate on preventing climate change. Most of our todays problems and challenges can only be solved by international collaboration, be they environmental or economical. It would have the better signal, and probably also served the US interests better, if the US would not quit the climate pact.