Sir Robert Tony Watson CMG FRS (born 21 March 1948) is a British chemist who has worked on atmospheric science issues including ozone depletion, global warming and paleoclimatology since the 1980s.

[1][2] Watson received a PhD in gas phase chemical kinetics (atmospheric chemistry) from Queen Mary College, University of London in 1973.

[7] Watson was the Director of the Science Division and Chief Scientist for the Office of Mission to Planet Earth at the National Aeronautics and Space Administration (NASA).

[13][14] He is currently Director of Strategic Development for the Tyndall Centre for Climate Change Research at the University of East Anglia.

[15] Andrew Revkin writing for the New York Times described Watson as an "outspoken advocate of the idea that human actions—mainly burning coal and oil—are contributing to global warming and must be changed to avert environmental upheavals.