Kevin Edward Trenberth is a New Zealand-American climate scientist who worked in the Climate Analysis Section at the US National Center for Atmospheric Research. He was a lead author of the 1995, 2001
Trenberth in 2015
Trenberth (right), after his investiture as a Companion of the New Zealand Order of Merit by the governor-general, Dame Cindy Kiro, at Government House, Auckland, on 8 May 2024
The IPCC Third Assessment Report, Climate Change 2001, is an assessment of available scientific and socio-economic information on climate change by the IPCC. Statements of the IPCC or information from
IPCC WG1 co-chair Sir John T. Houghton showing the IPCC fig. 2.20 hockey stick graph at a climate conference in 2005
The original northern hemisphere hockey stick graph of Mann, Bradley & Hughes 1999, smoothed curve shown in blue with its uncertainty range in light blue, overlaid with green dots showing the 30-year global average of the PAGES 2k Consortium 2013 reconstruction. The red curve shows measured global mean temperature, according to HadCRUT4 data from 1850 to 2013.