Earlier quoted context omitted.
We'll likely all die from overcrowding problems in the end anyway... Solve all the diseases you want, but we'll all die at some point.
That assumes we'll never colonize other planes/satellites/space stations and expand beyond earth.
We're mining ores with tiny percentages of what we want in them nowadays and at increasing energy cost.
We had a bounty of natural resources that we could have focused to get off this planet and become an interplanetary species. I suspect we will never get there as we've squandered these resources and overpopulated the planet beyond carrying capacity.
If you're waiting for a miracle solution, or believe alternatives will solve everything I recommend you study the principles of energy return on energy investment.
It makes me sad but I think we will never colonize other planets.