KARL Popper and Thomas Kuhn, two great philosophers of science, agree that scientific progress involve the critical overthrow of theories and their replacement by alternative ones. For Popper the replacement occurs following the falsification of universal statements while for Kuhn change is necessarily revolutionary, involving more than a change in the claims made and questions asked but also in the way the world is perceived and a change in the standards that are brought to bear in appraising a theory. While these two philosophers are considered by many to propose rival accounts of science, both theories are relevant to understanding climate change science.
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Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation.