The upping was most clearly down 1940-1950. When shipping and/or industry took a hit. Together with the sulfur emissions debacle, it's clear that most intervent

The upping was most clearly down 1940-1950. When shipping and/or industry took a hit. Together with the sulfur emissions debacle, it's clear that most interventions (either radiative cooling or at-source capture) need to focus on shipping. But then you hit the "laws of the high seas" problem. Maybe tariffs can have a role to play here! Via a Nobel Prize! https://skepticalscience.com/The-CO2-Temperature-correlation-over-the-20th-Century.html https://skepticalscience.com/The-CO2-Temperature-correlation...