Hedgerows and mob grazing: Can farming fix its carbon black hole?

Kevin KeaneEnvironment, energy and rural affairs correspondent, BBC ScotlandBBCFarmer Johnnie Balfour says there needs to be a more nuanced approach to climate changeJohnnie Balfour farms a 300-strong herd of Aberdeen Angus - and is planning to expand operations.Cattle are notoriously the most planet-warming, methane-emitting of all the farmed animals.But Johnnie's business, near Glenrothes in Fife, is rated as…