From JoNova
St Petersburg Times, Jan 1, 1979
Drs Leona Libby and Louise Pandolfi projected world temperatures in 1979 for the next 70 years and got results that, 30 years later, appear to have been broadly correct if out by 5 – 7 years. Ironically, they used, of all things, … tree ring data (going back 1,800 years). The critical difference was they assumed that the climate changes in natural cycles.
Visit Steven Goddard’s blog to read the full news story.
http://joannenova.com.au/2009/04/global-warming-a-classic-case-of-alarmism/
Tags: climate, climate change, global cooling, global warming