http://www.sciencenews.org/view/generic/id/340200/title/Arctic_sea_emits_methane
Arctic sea emits methane
Source of climate-warming gas remains uncertain, but might be microbes
By Janet
Raloffhttp://www.sciencenews.org/view/authored/id/18/name/Janet_Raloff
Web edition : Monday, April 23rd, 2012
Hi Folks,
If we could get this group to deposit their left over material between the
sun and earth, we could have a space based sun shield. Once the need for
such a shield is over (if ever) the material could be scooped up and used
as reaction mass for some future craft.
There is a wonderful book about getting materials from asteroids (and
otherwise using them). It is titled ³Mining The Sky: Untold Riches From The
Asteroids, Comets, And Planets² by John Lewis. Wonderfully creative ideas.
From some of the info in the book, the calculation that is suggested could
ET asks whether engineers should play God, making fundamental changes to the
environment and attempting to control climate change.
Should engineers control the eco-system?
23 April 2012By Anne Harris
With the visible effects of climate change growing, is it time for engineers to
step in
What a truly terrible title (or maybe tag line) for an article in a science
magazine.
Both greenhouse gas induced climate change, and the proposed response to it,
are, or would be, a result of humans relying on the laws of physics and
chemistry‹not some sort of super power. Whom does the article