The core idea of ____________________ is that nature has already solved many of the problems with which the human population is struggling.

Nature

The physical world collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations.

Human Population

The current population of people residing on the planet Earth.

Solved

A term used to indicate that a problem or equation has been worked out and a solution has been found.