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Eclipsenow Donating Member (52 posts) Send PM | Profile | Ignore Fri May-11-07 07:25 PM
Original message
Agrichar conference introduces major new "Wedge".
Hi all,
we have just all seen that normal biomass and plant-life is losing it's ability to capture and store CO2. A recent conference north of Sydney seems to have the answer!

From Truthout.org
http://www.truthout.org/docs_2006/050307R.shtml

"Thursday 03 May 2007

Terrigal, New South Wales, Australia - As delegates met in Bangkok this week to debate climate change solutions contained in the IPCC's latest report, one technology not mentioned in the draft report was being closely examined at a conference in Australia in the beach town of Terrigal, just north of Sydney.

The first meeting of the International Agrichar Initiative convened about 100 scientists, policymakers, farmers and investors with the goal of birthing an entire new industry to produce a biofuel that goes beyond carbon neutral and is actually carbon negative. The industry could provide a "wedge" of carbon reduction amounting to a minimum of ten percent of world emissions and possibly much more.

Agrichar is the term not for the biomass fuel, but for what is left over after the energy is removed: a charcoal-based soil amendment. In simple terms, the agrichar process takes dry biomass of any kind and bakes it in a kiln to produce charcoal. The process is called pyrolysis. Various gases and bio-oils are driven off the material and collected to use in heat or power generation. The charcoal is buried in the ground, sequestering the carbon that the growing plants had pulled out of the atmosphere. The end result is increased soil fertility and an energy source with negative carbon emissions.

Prominent Australian scientist Tim Flannery, who has written a book on global warming called "The Weather Makers," was on hand to give encouragement to the conferees. "I am deeply committed to your solution," he told the group. In a keynote address, Flannery provided an update on the acceleration of global warming, from the rapidly melting Greenland ice sheet to the unprecedented drought that has gripped Australia."

**********************************************

Then the claims get even bigger.....

"Because carbon credits are now bought and sold internationally, the idea is that farmers have one of these units on their farms, grow their crops, put the residues in the machine, get paid in carbon credits for doing so, make the charcoal which they add to their soils, and produce diesel for themselves and to sell. Lietaer said that a land mass the size of France using this system could lock up all the carbon the world needs to."
From http://transitionculture.org/?p=192

Or, as Worldchanging puts it...

"Claims for biochar's capacity to capture carbon sound almost audacious. Johannes Lehmann, soil scientist and author of Amazonian Dark Earths: Origin, Properties, Management, believes that a strategy combining biochar with biofuels could ultimately offset 9.5 billion tons of carbon per year-an amount equal to the total current fossil fuel emissions!"
http://www.worldchanging.com/archives/004815.html
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Old and In the Way Donating Member (1000+ posts) Send PM | Profile | Ignore Fri May-11-07 07:42 PM
Response to Original message
1. Great post and welcome aboard.
Sounds like a real solution to carbon emissions. Seems to have a financial incentive which is obviously important in getting buy-in.
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