Reality is what we make it.
Chapter 8 discusses the concept of the social construction of nature, which is an analytic used to challenge dominant forms of knowledge about the environment. The constructivist perspective argues that all knowledge is socially constructed in a specific context with uneven relations of power. Social constructivist theory is presented with examples and its limitations.
Social Construction of Nature slides here.
Paul Robbins, John Hintz, and Sarah A. Moore, Environment & Society: A Critical Introduction (2nd edition), Chapter 8.