If the Left truly believed that AGW caused by the burning of fossil fuels is a threat to the Planet then they’d be demanding nuclear power NOW, specifically Thorium Molten Salt Reactors.
But no, they are too wedded to the ‘60’s Protest Movement to examine the evidence. TMSR can provide abundant power for industry, consumers, desalination, electric cars, etc.
Of course the vegetation will have to go on a CO2 diet...
And/Or Pebble Bed Reactors .............