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Old 01-25-2009, 11:13 PM
 
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Cleaner Air May Threaten Amazon Rainforest - washingtonpost.com


(HealthDay News) -- Cleaner air may actually threaten the Amazon rainforest, according to Brazilian and British climate scientists.
They claim that a reduction in coal burning and the resultant sulphur dioxide emissions is linked to increasing sea surface temperatures in the tropical north Atlantic, which increases the risk of drought in the Amazon rainforest.
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Old 01-26-2009, 01:56 PM
 
Location: Harrisonville
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Quote:
Originally Posted by sterlinggirl View Post
Cleaner Air May Threaten Amazon Rainforest - washingtonpost.com


(HealthDay News) -- Cleaner air may actually threaten the Amazon rainforest, according to Brazilian and British climate scientists.
They claim that a reduction in coal burning and the resultant sulphur dioxide emissions is linked to increasing sea surface temperatures in the tropical north Atlantic, which increases the risk of drought in the Amazon rainforest.

Hmmmm. The old "Dimming trumps Warming" argument, except (1) the oceans aren't getting warmer (2) increased evaporation due to warming is, and is expected to continue increasing precipitation, and (3) the biggest actual threat to the rain forests is probably that they're being cut down.

This is one that if it were to actually happen you really would have to wait centuries to see it.

Last edited by fatchance2005; 01-26-2009 at 03:05 PM..
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Old 01-26-2009, 02:49 PM
 
Location: Interior AK
4,729 posts, read 8,632,619 times
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Quote:
Originally Posted by sterlinggirl View Post
Cleaner Air May Threaten Amazon Rainforest - washingtonpost.com


(HealthDay News) -- Cleaner air may actually threaten the Amazon rainforest, according to Brazilian and British climate scientists.
They claim that a reduction in coal burning and the resultant sulphur dioxide emissions is linked to increasing sea surface temperatures in the tropical north Atlantic, which increases the risk of drought in the Amazon rainforest.
Quote:
Originally Posted by HealthDay News, Washington Post
These findings are another reminder of the complex nature of environmental change. To improve air quality and safeguard public health, we must continue to reduce (sulphur dioxide) aerosol pollution, but our study suggests that this needs to be accompanied by urgent reductions in carbon dioxide emissions to minimize the risk of Amazon forest dieback"
So I want to see the model of reduced sulphur dioxide aerosols AND massive carbon dioxide emission reduction... bet the rain stays right where it's supposed to be (over the Amazon) due the Gulf Stream currents.

Deforestation is by far the worst and most immediate threat. If CO2 is contributing to global warming, this increases the temps near the Equator pushes the rain farther north... much faster than any strange evaporative effect that may be prevented by SO2 making the clouds "shiny".
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Old 01-26-2009, 06:33 PM
 
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As I've said before... plenty of whackos on all sides. I wonder how the rain forest managed to survive before we started burning all these fossil fuels?
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Old 01-27-2009, 02:25 AM
 
2,255 posts, read 4,891,710 times
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Originally Posted by thecoalman View Post
As I've said before... plenty of whackos on all sides. I wonder how the rain forest managed to survive before we started burning all these fossil fuels?
What I find amazing is that many of these ECO-Green Solutions require the use of billions of hectres of agricultural land around the planet for the production of these raw materials for meeting the outrageous demands of a non-conserving world of mankind. The only option is to take good agricultural land out of food production and also further destroy more RAIN FORESTS to create massive plantations for the production of such things as tropically grown Palm Oil for production of Bio-Diesel.
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