Carbon-negative Definition Methane Sea level rise 
Mr. Sustainability
DECEMBER 25, 2020
And that is exactly where it hurts most: once there is no more multi-year ice, the Arctic is per very definition ice-free during summer and the unit is broken. Arctic sea ice extent averaged for September 2020 was 3.92 Sea Ice extent is going down. Unfortunately, all kinds of positive (or negative?) Lot’s of Methane.
DeSmogBlog
MARCH 31, 2023
Harmful Wastes” Shell’s knowledge of the risks posed by the build-up of atmospheric carbon dioxide (CO2) from burning fossil fuels can be traced to at least the early 1960s. In 1962, Shell’s chief geologist, Houston-based Marion King Hubbert, produced a book-length report on energy for the U.S. Shell had other plans. corn belt.
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