Cairns, John Jr.2014-01-232014-01-232007http://hdl.handle.net/10919/25101The biosphere is humankind s life support system and the source of the resources that drive exponential growth. Without the biospheric life support system functioning in a way that is favorable to humans, humankind could face extinctions.en-USIn Copyrightbiospheric life support systemhuman economyclimate changeSustainabilityArticlehttp://www.johncairns.net/Commentaries/stupid.pdf