06 APR 2010

By Marco Evers, Olaf Stampf and Gerald Traufetter | Spiegel

Plagued by reports of sloppy work, falsifications and exaggerations, climate research is facing a crisis of confidence. How reliable are the predictions about global warming and its consequences? And would it really be the end of the world if temperatures rose by more than the much-quoted limit of two degrees Celsius?

Life has become "awful" for Phil Jones. Just a few months ago, he was a man with an enviable reputation: the head of the Climate Research Unit (CRU) at the University of East Anglia in Norwich, England, an expert in his field and the father of an alarming global temperature curve that apparently showed how the Earth was heating up as a result of anthropogenic global warming.

Those days are now gone.

Nowadays, Jones, who is at the center of the "Climategate" affair involving hacked CRU emails, needs medication to fall sleep. He feels a constant tightness in his chest. He takes beta-blockers to help him get through the day. He is gaunt and his skin is pallid. He is 57, but he looks much older. He was at the center of a research scandal that hit him as unexpectedly as a rear-end collision on the highway.

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