People in the last picture also built societies with the infrastructure to handle the waste. The US USED to have a way worse pollution problem than it does, and we instituted laws to deal with it. 

Niggers and bugmen can't into conservation, because niggers are an ignorant menacet hat can't into the future hardly at all and bugmen are an all consuming locust plague that can't into resource or waste management because they are so mongrelized and disconnected from the land.