New top story on Hacker News: Cement is the source of 8% of the world's CO2 emissions

New top story on Hacker News: Cement is the source of 8% of the world's CO2 emissions

September 26, 2020
Cement is the source of 8% of the world's CO2 emissions
47 by cel1ne | 14 comments on Hacker News.


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