For #2, you realize that the same problem applies, right? Locals in poor areas will always prefer a few years of selling out to tourists to long term sustainab

For #2, you realize that the same problem applies, right? Locals in poor areas will always prefer a few years of selling out to tourists to long term sustainability: kids need education now, you want to rainproof your house now or in essence: you want to better your life now. For them, there is not a single incentive to follow your advice.