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superjew posted:Have there been any botanical studies on plants growing in atmospheres of different gas compositions that show anything significant? That article reads like somebody who forgot all their biology classes from decades ago just picked up a book and saw that plants use CO2 to make sugars and had an epiphany. 1. It can result in plants becoming less nutrient dense. All that CO2 may result in big grains of rice with extra carbs, but all of the extra carbohydrates are just diluting out all of the other nutrients in the food. So you have more food, but you have to eat more to get the same nutritional value. 2. When studies have been done growing plants in the presence of lots of CO2 and elevated levels of the other pollutants we are pumping into the atmosphere, the benefit pretty much goes away. This is a good example of why I hate when clean technologies only lower GHG emissions, instead of their other air quality benefits.
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| # ? May 21, 2013 18:02 |
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| # ? May 26, 2013 01:17 |
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