The Great Climate Change Debate – Karoly vs Happer

February 15, 2016, was the beginning of a debate on man-made climate change between two well-known experts in the field, Princeton Professor of Physics Dr. William Happer and University of Melbourne Atmospheric Sciences Professor Dr. David Karoly, hosted by James Barham and his team at Both have been heavily involved in atmospheric research since the 1980s. Happer believes that burning fossil fuels will have a minimal effect on climate but a large benefit to plant life and humanity. Karoly believes the opposite.


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