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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: Brumar89 who wrote (74511)	1/28/2017 10:33:47 AM
From: teevee	Read Replies (1) \| 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. Trees and many other plants continue to be starved of CO2, the main reason why green houses pump lots of CO2 into their indoor crops. Indeed, it is the small increase in CO2 over the last 50 years that is responsible in large part for the cereal crop productivity gains that feed a growing world population, and a net decrease in in desert areas-the world is greening.

To: Brumar89 who wrote (74511)	1/28/2017 3:07:37 PM
From: teevee	2 Recommendations Recommended By Brumar89 longz Respond to of 86355

at the end of the interglacial (about 10,000 years ago-we are technically still in a glacial period), CO2 was at about 220 ppm. At 160 ppm all terrestrial plant life dies. Given the slope of decreasing CO2, we were anywhere from 1.5-2 million years away from a mass extinction event. Luckily, as the earth and oceans warmed during the current interglacial period, the oceans degassed CO2 and the CO2 increase began. If gov'ts want to meddle in the energy sector, they should be giving tax breaks or credits for using fossil fuels-anything that adds more CO2 to the atmosphere.