[geo] Fwd: As Western Pressure Builds, Putin's Nuclear Threat is Easy to Overplay or Write Off, But Can't be Ig...

2022-03-02 Thread Andrew Revkin
Dear all, I've got Alan Robock, Brian Toon, Paul and Anne Ehrlich coming on my Sustain What webcast tomorrow - *March 3 - at 1pm Eastern* to talk about the new nuclear war threat in the context of nuclear winter science. *Putin’s Nuclear Threat – Global Implications and Options* https://www.earth.

[geo] Re: Is Inadvertent "Reverse Geoengineering" since 2020 significantly warming the planet ?

2022-03-02 Thread Peter Fiekowsky
Ye- What does carbon capture have to do with climate restoration? Carbon capture is for enhanced oil recovery and for selling expensive carbon offsets. We're interested in carbon sequestration at the 50 Gt/year scale, such as with synthetic limestone, plankton, kelp. Peter On Wed, Mar 2, 2022 at

[geo] Re: Is Inadvertent "Reverse Geoengineering" since 2020 significantly warming the planet ?

2022-03-02 Thread Peter Fiekowsky
Interesting. I remember that Michael Mann wrote a Scientific American article about 1999, telling us to expect 0.5C warming when we eliminate the sulfates. We knew it would happen, and it's happening. Maybe it's not so shocking. Does anyone know how much sulfates still come from coal plants? Back