Climate expert claims to have developed cleanest way of fixing CO2 in 'biochar' for burial on an industrial scale
- guardian.co.uk, Friday 13 March 2009 12.07 GMT
Burying charcoal produced from microwaved wood could take billions of tonnes of CO2 from the atmosphere every year. Photograph: Rex Features
Giant microwave ovens that can "cook" wood into charcoal could become our best tool in the fight against global warming, according to a leading British climate scientist.
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