First aired February 1999. The Changing Arctic . Documentary film produced by the Public Broadcasting System and the National Science Foundation. First aired 14 August 1997. The Earth Does a Slow Burn .
Study pulls the plug on Arctic s carbon sink .
Pumping Carbon . By Sean Hargrave, London Sunday Times , January 5, 1997. Arctic Tundra is Leaking More Carbon Scientists Say . Natural Hazards and the Exploding Lakes of Africa , Lecture presented to the Cranbrook Institute , Michigan, September 1996. Disarming deadly waters .