A Japanese scientist at Princeton University has done work since the 1960's to show that increased level of carbon dioxide lead to increased temperatures on the surface of the earth. Syukuro Manabe at Princeton was honored for this work with the Nobel Prize in Physics. Also honored is a German scientist Hasselmann who showed the connection between weather and climate with his own model. His research shows methods for attributing various impacts on climate of human activity and natural phenomena. Also honored is Italian scientist Parisi for his work on complex systems uncovering patterns in disordered complex materials.
Today's understanding of how the use of coal and other fossil fuels at the scale done in China, Europe, US and India is affecting the climate comes from the work of these three scientists.
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