Re: How would you save mankind.

easy peasy:

nuclear. biuld lots of reactors. solves energy issues overnight. and gives cheap, safe energy to all.

with regards food? stop any and all trade restrictions with 3rd world countries. whats the point growing crops if they cant sell them, and its cheaper (due to western subsidies) to buy in food?

and also a massive redistrobtion of wealth. downwards. amke the rich pay more tax. make companies pay tax. use this money to fund the above 2 plans.

and bosh. world fixed. no caves needed.