The only way to resolve it and all difficulties on planet Earth is to correct our individual selves from self-concerned (egoistic) to loving (altruistic).
All such problems (evils) come from ego. The only way to resolve them is to nip them in their source by eliminating ego. And this starts at "home" with your own ego.
As Christ said, know the truth and the truth will set you free. He also said that the first (egoists) shall be last, and the last (humble) shall be first. Those who are of spirit (rather than ego) will lead us in this conversion.