The three highest value/cost ratio of all human enterprises at this point in time are according to the annual expert conference "BRAIN" (in decreasing order):

1- Provide vitamin to children populations of the world that have deficiencies

2- Allow true free trade which means stop support to own national sectors and allow developing countries for their export goods to follow the price establishing process enjoyed by the developed OECD countries

3- Girls and women education

To take care of global warming comes at rank 14.

When are we starting?

Note: well aware of this the gene engineering fashion well aware of this number 1 easy target tried to justify itself to the world, especially to the Europeans, by pretending gene engineering would solve the world vitamins deficiencies. They did not succeed.