The TIME 100 — Are They Worthy?

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SIR JOHN HOUGHTON

Sir John Houghton

Eugene Hoshiko / AP
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AGE: 75
OCCUPATION: Oxford University climatologist
NUMBER OF TIME COVERS: 0
PREVIOUS APPEARANCES ON THE TIME 100: 0

PRO: He's the co-chair of the scientific assessment group of the influential Intergovernmental Panel on Climate Change. Houghton, a Christian and an author deeply involved in the dialogue between religion and faith, looks at global warming through the twin lenses of science and theology.

CON: When it comes to cutting emissions, oil and gas prices often trump scientific evidence and high-minded discussion. The IPCC has also been accused of being too compromised by political interference from heel-dragging nations like China and the U.S.

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