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Please read this - just in from the New York Times:<br><a href="http://www.nytimes.com/2013/05/11/science/earth/carbon-dioxide-level-passes-long-feared-milestone.html?nl=todaysheadlines&emc=edit_th_20130511&_r=0" target="_blank">http://www.nytimes.com/2013/05/11/science/earth/carbon-dioxide-level-passes-long-feared-milestone.html?nl=todaysheadlines&emc=edit_th_20130511&_r=0</a><br>

</div><br></div><br></blockquote><div>Or. 0.04% <br><br></div><div>Since we are all in favour of burning bio-mass, shouldn't we prefer a higher level of CO2, which would significantly promote plant growth, and encourage the growth of the stuff we want to burn ? <br>
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