[geo] NewScientist Op Ed bemoans lack of CDR investment

2012-07-19 Thread Andrew Lockley
http://www.newscientist.com/article/mg21528742.300-we-cant-afford-to-neglect-ways-to-halt-global-warming.html If we must research climate engineering, sucking carbon dioxide out of the air ought to be higher up our list of priorities CLIMATE engineering experiments have an unfortunate habit of go

[geo] Guardian slated for misreporting Anderson/Keith experimental proposal

2012-07-19 Thread Andrew Lockley
http://www.thecrimson.com/article/2012/7/19/anderson-keith-geoengineering-guardian/ Scientist Disputes Report That He Plans To Spray Chemicals To Change the Climate By JACOB D. H. FELDMAN, CRIMSON STAFF WRITER The British newspaper The Guardian published a story on Tuesday that said in its first

Re: [geo] Nature eifex report

2012-07-19 Thread Bhaskar M V
Ken You are right to a certain extent when you say - "So, to some extent, iron fertilization concentrates productivity in space and in time." However the facts are as follows - Human action has increased the amount of N and P in water. The Nitrogen (and Phosphorus) cycles have been both speeded u

Re: [geo] Nature eifex report

2012-07-19 Thread Ken Caldeira
Recall that this fertilization is using up macronutrients such as N and P that may have been used elsewhere at a later date. So, to some extent, iron fertilization concentrates productivity in space and in time. An important question is: how much of the P that was in the fertilized water would ha