No, a quality environment would be a means to the goal. But a quality environment could look very differen than simply was here before people started to improve our quality of life.
But the problem is, the only reason we protect the environment is because we need it to survive. If it wasn't for that, no one would care about nature.
That's not true at all. Some people are actually capable of caring about things that don't do anything for them. Just because you're an asshole doesn't mean we all are.
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Is mankind the goal or the obstacle? Personally I think we're the goal.