Amanda Solloway: ..., Devon and Hertfordshireuse of biochar, a charcoal-like substance, as a viable method of carbon sequestration. Testing will take place at arable and grassland sites in the Midlands and Wales, a sewage disposal site in Nottinghamshire, former mine sites and railway embankmentslarge-scale tree planting, or afforestation, to assess the most effective species and locations for carbon...