If it's between slowing (not halting, mind you) the alleviation of the worst poverty in the world by only allowing / helping those regions to industrialize mostly if not exclusively through non-emitting energy sources like wind / solar / hydro / geothermal / yet - to - be - perfected fourth
generation nuclear / current riskier nuclear, on the one hand, and on the other hand destroying the stability of the climate to the point where mass
extinction is a
near certainty and the very survival of humanity is in question, obviously it is a no - brainer - we should choose not to destroy the planet.