It is growth based upon absolute needs . At the top of my hierchical needs pyramid are food, shelter, and a way to survive.
Love comes next.
Everything else is extraneous. This may seem extreme. Our environment is in extreme need, though, so I firmly believe that extreme measures are called for, now. I also believe, based upon my studies in environmental planning, and organic farming methods that the Report on the State of the World released to the President of the United States in the 1970's was a prophetic document. I have some friends who study and report on international affairs , sustainability, and the ISO 14000 with a watchful and caring eye to our environment.