SI
SI
discoversearch

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor.  We ask that you disable ad blocking while on Silicon Investor in the best interests of our community.  If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.
Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?


To: Eric who wrote (74505)1/28/2017 10:27:41 AM
From: Brumar892 Recommendations

Recommended By
lightshipsailor
teevee

  Read Replies (2) | Respond to of 86355
 
As long as increased CO2 is enhancing plant growth, there isn't too much of it.

During the last ice age, CO2 was so low, trees were undergoing starvation. Low CO2 levels are a threat to life on earth.