Are humans contributing only 3% of CO2 in the atmosphere?
Why the open web links it
Examines the claim that human activity contributes only 3% of atmospheric CO2.
Linked by 6 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including sapo.pt, skepticalscience.com, mindprod.com, climategate.nl, hybrid.cz.