Fifty two years ago, on this day, October 15, 1971, a crucial book was published… Man’s Impact on Climate Edited by William H. Matthews, William H. Kellogg and G. D. Robinson Hardcover 9780262130752 Published: October 15, 1971 The amount of carbon dioxide in the air was roughly 326,4ppm. As of 2023 it is 423ppm, but […]