PEOPLE

Brothers Battle Climate Change on Two Fronts - NYTimes.com

Charles David Keeling - Wikipedia, the free encyclopedia

David J. C. MacKay - Wikipedia, the free encyclopedia

Drew Shindell - Wikipedia, the free encyclopedia

Gerard C. Bond - Wikipedia, the free encyclopedia

James Croll - Wikipedia, the free encyclopedia

James Hansen - Wikipedia, the free encyclopedia

Lonnie Thompson - Wikipedia, the free encyclopedia

Michael E. Mann - Wikipedia, the free encyclopedia

Paul J. Crutzen - Wikipedia, the free encyclopedia

Peter Wadhams - Wikipedia, the free encyclopedia

Richard Alley - Wikipedia, the free encyclopedia

Svante Arrhenius - Wikipedia, the free encyclopedia

Wallace Smith Broecker - Wikipedia, the free encyclopedia

William Nordhaus - Wikipedia, the free encyclopedia