You know when we first started seeing growing populations and development of agriculture? When the climate started an exceptionally long stable period. Guess what’s going put of the window now? Planting for draught because that’s the “new normal” won’t get you far if the next year happens to be the wettest on record. Let alone that stronger storms than ever seen before aren’t exactly great for harvests either. And that’s just agriculture. Climate related disasters can wipe out key infrastructure, with unexpected consequences down the line (e.g. no car production because of a certain specific part of almost all cars comes from that one specific place). And then there’s the refugee problem on top of all that.

There’s millions of Venezuelans in Colombia, Ecuador and further South. But their options there are for more limited than in the US.

Didn’t he basically campaign with this?

Electric cars do charge when braking. Obviously the energy recuperated is less then waht was needed to drive that fast in the first place. Using driving wind would just increase the energy needed to drive that speed and would be net negative.

NDA, not BJP, got 293 seats

Depends on the molecule. The ones used in vaccines are nit dangerous. See for example https://www.gov.scot/publications/foi-202100244467/