Science Daily: New biochar model scrubs carbon dioxide from the atmosphere
News article on Woolf, Dominic; et al. (2016). "An economically viable model to scrub carbon dioxide from the atmosphere has been developed to thwart runaway, point-of-no-return global warming. The researchers propose using a “bioenergy-biochar system” that removes carbon dioxide from the atmosphere in an environmental pinch, until other removal methods become economically feasible and in regions where other methods are impractical."