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This came from Reuters and if you ask me, I say that the researcher from the University of Exeter in Britain who said this is full of Sh%$#. Oh yes!!! This research was a waste of money. Let’s keep polluting the air so that the forest stay alive. Ya right. The way I see it we got to stop polluting, and that includes stopping deforestation, to keep our green lands alive.

Here is that story:

LONDON (Reuters) – Cleaner air due to reduced coal burning could help destroy the Amazon this century, according to a finding published on Wednesday that highlights the complex challenges of global climate change.

The study in the journal Nature identified a link between reduced sulphur dioxide emissions from coal burning and increased sea surface temperatures in the tropical North Atlantic that boosts the drought risk in the Amazon rainforest.

With the rainforest already threatened by development, higher global temperatures could tip the balance, they said.

“Generally pollution is a bad thing but in this case improving the air may have ironically led to a drying of the Amazon,” said Peter Cox, a researcher at the University of Exeter in Britain, who led the study.

“It shows you have to deal with greenhouse gases.”

The Amazon — the world’s largest tropical rainforest — plays a critical role in the global climate system because it contains about one tenth of the total carbon stored in land ecosystems.

The researchers used a climate-carbon model to simulate the impacts of future climate change on the Amazon and compared it to data from a 2005 drought that devastated a large chunk of the rainforest.

They estimated that by 2025 a drought on the same scale could happen every other year and by 2060 such a crisis could hit nine out of every ten years — enough to turn the rainforest into savannah grassland, Cox said.

In the pre-industrial age, the Amazon was less vulnerable. But higher temperatures and destruction of the forest make droughts far more likely than in the past, the researchers said.

“The Amazon is said to be the lungs of the planet,” Cox said in a telephone interview. “You don’t want to damage it.”

The researchers believe that efforts to clean up sulphate aerosol particles from coal burning at power stations in the 1970s and 1980s helps to explain the threat.

The pollution predominately in the northern hemisphere had limited warming in the tropical north Atlantic, keeping the Amazon wetter than it normally would have been.

But with that protection evaporating due to cleaner air and as greenhouse gases fuel global warming, the rainforest now faces a deadly drought risk, the researchers said.

“Reduced sulphur emissions in North America and Europe will see tropical rain bands move northwards as the north Atlantic warms, resulting in a sharp increase in the risk of Amazonian drought,” Chris Huntingford, a researcher at Britain’s Centre for Hydrology and Ecology said.

The findings highlight the need to deal not only with greenhouse gas emissions but also with the direct destruction of the rainforests as well, the researchers said.

They said 20 percent of global carbon dioxide emissions stem from burning of trees to build new homes and roads as development pushes farther into the delicate region, they added.

“You can argue there is a greater urgency to deal with the deforestation issue in our model,” he said. (Reporting by Michael Kahn; Editing by Maggie Fox and Giles Elgood)

  • Good article Josh!
  • This is the sort of bad reporting that gives all environmental reporters a bad name! The evidence for the degradation of the Amazon rainforest is actually right on the money, and not in any way an excuse to pollute more. That you suggest otherwise is simply insane.

    I wrote about this at PlanetSave.com, check the link on my name! I look at the actual science behind this report, rather than just randomly attacking it.

    Josh
  • But we got to realize that stopping pollution is not an overnight thing. It's going to take many years so I don't believe that it would affect the amazon.
  • Whilst it may be natural to react to this news as mere BS it is worth remembering that ecosystems are exactly that: systems, and complex ones at that. They are changed by and adapt to internal & external influences so by merely removing one external factor does not necessarily equate to returning the internal status quo: Remember that the Amazon forests have changed so dramatically over the last half century that by simply returning pollution to, for instance, that 50 year old "restore point" will not reinstate the Amazon ecosystem to what is was back then due to the fact that you cannot also (quite so quickly) re-establish what has been deforested.

    An analogy might be to remove the daily fix from a long-term heroin addict - as soon as you've removed the input of pollution into their bloodstream do they automatically return to the health of their pre-drug days?

    The operative word in the findings is that cleaner air COULD kill the Amazon, not WILL or WON'T but COULD. What this research highlights is that there needs to be a more considered and intelligent approach to the whole Amazon issue rather than just cutting pollution. As Peter Cox himself says, this is quite ironic.

    With this in mind, what might now be on the table to discuss? How about re-forestation?
  • Sun Tzu
    Whenever I read a Global Climate Change piece and see the phase: Stop or fight Global Climate Change, I am compelled to ask the question: When will we know it is stopped?. If something is to be stopped, then there must be something that tells us we’ve achieved that goal. Whenever I ask someone this question, I rarely get a rational answer. Unlike this position from John A. Warden III which indeed attempts to provide at least in part a rational approach to answering the question. His Thinking Strategically about Global Climate Change is indeed a bit provocative. One wonders whether all the competing Global Warming and Climate Change market participants could ever agree on an ideal climate. Maybe we ought to try!
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