Or so is PBS’-s thesis in “-The Warming”-.
Pretty convincing.
ADDENDUM
Wikipedia:
Brooksley E. Born is an American attorney and former public official who, from August 26, 1996 to June 1, 1999, was chairperson of the Commodity Futures Trading Commission (CFTC), the federal agency which oversees the futures and commodity options markets. During her tenure on the CFTC, Brooksley Born warned Congress and the President of the need to regulate financial instruments known as over the counter (OTC) derivatives, but her warnings were disregarded. Lack of regulation ultimately led to the crash of the derivatives market, and helped trigger the economic and financial crisis in the fall of 2008.