Crucial to make this transition more efficient is the development of crops that sequester more CO2 than normal plants. Such high-carbon plants withdraw the greenhouse gas from the atmosphere and use it to grow more lignocellulose. When during their conversion into biohydrogen (or bio-electricity) more CO2 is captured and stored, it means they become more carbon-negative. The first crops with a higher CO2 storing capacity have meanwhile been developed: an eucalyptus tree that stores more CO2 and grows less ligning but more cellulose (previous post), and a hybrid larch that sequesters up to 30% more CO2 (earlier post).

Full Story: Biopact.

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