[ RadSafe ] Carbon dioxide peaks to 400 ppm now

[Maury Siskel]

Any chance anyone here might know the annual CO2 concentration as 
measured in ice cores since 1958? Thanks.
Best,
Maury&Dog  [MaurySiskel maurysis at peoplepc.com]
========================================================

On 5/10/2013 10:39 PM, parthasarathy k s wrote:
> Friends,
>
> Today's Washington Post carried the following news story:
>
> http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2013/05/10/atmospheric-carbon-dioxide-concentration-400-parts-per-million/
>
> The rate of accumulation can be reduced only by concerted action by all countries.
>
> Regards
> Parthasarathy
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