Ian Angus has just published two interesting notes re predictions of global warming from the 1960s.
Early warning 2: Commoner on global warming
50 years ago, Barry Commoner explained why rising levels of carbon dioxide in the air could lead to disaster
Early warning: Bookchin on global warming
Bookchin got it right 50 years ago, long before anyone else noticed.
degrowthcanada.wordpress.com 