Jason Lewis, the Telegraph's investigations guy, has been researching GLOBE International - most famous member, Lord Oxburgh.
The little-known not-for-profit company works behind the scenes at international conferences to further its aims.
Another scientific expert linked to the group came forward to praise a second independent investigation into the Climategate affair which also exonerated researchers.
One of its key supporters headed the official investigation into the so-called "Climategate emails", producing a report which cleared experts of deliberately attempting to skew scientific results to confirm that global warming was a real threat.
(H/T DR)