Biochar at the Centre for Alternative Technology: business opportunity for small woodland owners or climate change solution
by Chris Colley, 31 March, 2011, 12 comments
Biochar may be used to mitigate climate change brought on by global warming, by removing carbon dioxide from the atmosphere and locking the carbon into the soil, if James Lovelock (originator of the seductive Gaia hypothesis) is to be believed. Others say the numbers just don’t work. Biochar is also put forward as a very effective soil improver, which can reduce fertiliser use, reduce pollution, increase crop yields, and as an approach to agriculture may be traced back to the terras preta (black soils) of the Amazonian rainforest. Read more...