Here is your chance to sit in on a recent 1 hour presentation on biochar by Dr Lehmann...
http://www.youtube.com/stanford#p/u/7/pX3zhZ6ETWI
"Johannes Lehmann, Associate Professor of soil biogeochemistry at Cornell University, discusses the characteristics of naturally occurring terra preta including its agricultural and carbon sequestering benefits and then turns to considering the factors involved with implementation industrial biochar systems for large-scale carbon sequestration and energy provision."
Our Man in Moscow
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"*...this has all been going on for a while*"
*This week, we continue looking at our predicament* in Washington and on
the world stage through the oddly...
3 hours ago
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