[Plutarch]

Anybody funding that research?

I've been Googling a bit. The isotope ratios C12/C13, etc. are used to differentiate between CO2 from fossil fuels and naturally existing in air.

Carbon Dioxide in Air: Isotopes of CO2 in air

[Ernest_at_the_Beach]

Thanks...I know nothing about SIL...:

About SIL

***********************EXCERPT******************

We study biogeochemical processes that control environmental change on human timescales using stable isotopes.

We develop new, automated techniques for measuring environmental stable isotopes.

We provide analytical services to scientists and institutions around the world.

[Ernest_at_the_Beach]

Guess I need to get some info from my son...Raytheon is readying a new Satellite for NOAO...Goddard.. that has all kinds of sensors on it.

I think it goes under the name of Project Glory...hmm...my memory is rather cloudy at the moment....

Found this:

Goddard Space Flight Center, The Glory Mission"