Guideposts for a Sustainable Future
Activities are sustainable when they:
1 - use materials in continuous cycles.
2 - use continuously reliable sources of energy.
3 - come mainly from the qualities of being human (i.e. creativity,
communication, coordination, appreciation, and spiritual and intellectual
Activities are not sustainable when they:
4 - require continual inputs of non-renewable resources.
5 - use renewable resources faster than their rate of renewal.
6 - cause cumulative degradation of the environment.
7 - require resources in quantities that could never be available for people everywhere.
8 - lead to the extinction of other life forms.