Tuesday, February 24, 2009

Ancient tropical rain forests absorbing a mysterious amount of CO2

Why are rain forests from Africa to South America soaking up so much carbon? These old, mature forests "should be caron-neutral in theory, releasing as much as they absorb." (New Scientist) But they're not. African tropical forests alone are soaking up 340 million tons of carbon per year. One possibility, the forests are still re-growing after ancient civilizations (pre-Columbian Amazonians and iron-making African societies) wore them down. Then again, rising levels of CO2 in the atmosphere may be causing the growth spurt.

(Image by
wildimagephoto via flickr)

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I started pound360 to channel my obsession with vitamins, running and the five senses. Eventually, I got bored focusing on all that stuff, so I came back from a one month hiatus in May of 2007 (one year after launching Pound360) and broadened my mumblings here to include all science.