Old CO2 quotes
While prepping for the Climate Change Symposium on Friday, I came across these excellent old quotes about CO2: One is over a hundred years old. The other is over fifty years old. They both remain totally relevant today:
"If the quantity of carbonic acid (CO2) increases (in the atmosphere) in geometric progression, the augmentation of the temperature will increase nearly in arithmetic progression."
"If the quantity of carbonic acid (CO2) increases (in the atmosphere) in geometric progression, the augmentation of the temperature will increase nearly in arithmetic progression."
- Svante Arrhenius, 1896
"Human beings are now carrying out a large scale geophysical experiment of a kind that could not have happened in the past nor be reproduced in the future. Within a few centuries, we are returning to the atmosphere and oceans the concentrated organic carbon stored in sedimentary rocks over hundreds of millions of years."
- Roger Revelle and Hans Suess, 1957
Labels: CO2, global warming
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