It's like asking the opinion of a Christian "Last Days" enthusiast, or anyone else who gets a hard-on at the idea of human civilization falling into ruin and the "righteous alone" coming into a new paradise free of worry.

There are hundreds of websites like this.

Ironically, such people have the luxury of such deep thoughts because they wallow in the comfort of the massive technological society they disdain. In the real world, achieving their goals would result in them doing long, hard work from sunrise to sunset, which is how our ancestors lived for millennia.

Anyone looking around them can see that a deep concern for the environment is a luxury that only wealthy societies can afford. The "closer to nature" society some people envision will end up being the kind that created large sections of the Sahara Desert.

Things can improve instead of decay. In the U.S., we are using about half the energy per dollar of GDP that we used in 1970. Nations like China haven't gotten here yet, but their numbers are falling, not rising. There are other options for energy than oil.