[geo] Less pessimistic climate study in Nature: We can do 1.5 degree

Here is a less pessimistic climate modeling project published in Nature today (18 Sept). The authors conclude that the 1.5 degree goal is still feasible. http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo3031.html?foxtrotcallback=true Here is a BBC report that includes criticism of the

Re: [geo] Swanson's law

Hi Andrew: A combination of marine microalgae production and BECCS makes sense in certain locations, and a combination of marine microalgae production and DAC makes sense in other locations, especially arid subtropical regions. We have a manuscript on the former that will soon be submitted.

RE: [geo] nuclear powered DAC

In this instance I would define DAC as a machine based process to extract CO2 from the air. Examples would be Lackner’s and Eisenberger’s machines to do this. There would be very good economic drivers to not tie this to electricity generation and to simply use the reactor to just generate heat