The big issues are how to feed the planet, how to organize the planet, how to share resources, how to establish and maintain values that lead to the former.

Capitalism is, ideally, about free markets and the freedom of citizens to compete in those markets, be it manufacture, agriculture, or services.

If you want to talk about depradation of the environment, that's a tall order with many perpetrators at all levels and types of social and economic environments, from the wandering soldiers of Africa shooting down elephants and rhinos with their AK47s for the ivory and horn markets of Asia, to the unbridled power of state dictators who have initiated projects such as the Three Gorges Dam, the evaporation of large freshwater lakes, and the totalitarian states' power to limit the formation and activities of organized environmentalists.

In general, life on Earth goes on no matter what. Over its growing presence in every aspect of nature, the human race alters the various balances. Those balances happen regardless, but it is judgment that determines the values in human terms to put on those changes and the commitment of our resources to address those changes.