President Trump's withdrawal will make it more difficult for the world to reach the goals that it set for itself in the Paris agreement...One of the strongest voices in favour of the US staying in the Paris deal has been corporate America. Leaders of companies such as Google, Apple and hundreds of other including major fossil fuel producers such as Exxon Mobil have urged the President to stick with Paris...[Even with exiting the agreement] coal is unlikely to make a comeback...[as] the number of jobs in the US coal industry is now just a half of the number employed in solar...US carbon will continue to drop...because energy production is now powered more by gas than by coal.