Lake Effect: Before Major Systems Collapse, ‘Tipping Points’ Offer Clues

Noted: One of the leaders in the field is the University of Wisconsin?s Steve Carpenter. He and several fellow scientists from around the world authored a paper just out in the journal Science, called ?Anticipating Critical Transitions.? Carpenter, who heads the Center for Limnology ? or the study of inland waters, joins us by phone from Madison.