World leaders will unite and collaborate to transform energy sources, phasing out fossil fuels within a decade globally. They'll agree that capitalism must end because forever growth isn't feasible on a finite planet, and the capitalists will shout hooray because, at heart, they're philanthropists.

Advertisements selling "do nothing" and "consumerism kills" instead of an artificial lifestyle will be the norm. The US government will dissolve the military (the world's greatest polluter and carbon emitter) to genuinely defend humanity from a genuine threat.

Governments will adopt a planned economy to eliminate natural resource wastage derived from capitalism's overconsumption model. They'll efficiently produce materials and invest in adaptation infrastructure, directly providing needs where needed.

Everyone will agree with this transition, and we'll live in a happy climate and social environment. Yippie!

******

Yep, totally feasible and believable - like the way governments handled a global pandemic. Sign me up - I want to believe!