Mantria Corporation: The biggest green Ponzi scheme ever?
July 6, 2011, 11:11 a.m. by John Platt
Investors bilked out of $54 million chasing the promise of a green utopia.
Study reveals biochar as a strategy to fight global warming
August 23, 2010, 11:49 p.m. by Karl Burkart
Using agricultural waste to make biochar has the potential to reduce 12% of global CO2 emissions annually.
'Char-apalooza' presents top biochar breakthroughs
August 18, 2009, 9:50 p.m. by Karl Burkart
First North American Biochar Convention pulls in top Obama brass and puts this fledgling industry on the map.