The Poultry Site reports on an article in USA Today that in turn reports on a farmer who is making biochar from chicken manure. The farm produces up to 800,000 chickens a year. You can read the Poultry Site article here and the original, longer article in USA Today here.

This is an LCA of the production of the major agricultural/livestock commodities in the UK (Defra-funded Projects IS0205). The 10 key commodities studied were bread wheat, potatoes, oilseed rape, tomatoes, beef, pig meat, sheep meat, poultry meat, milk and eggs and the main conclusions are as follows: Nitrous oxide (N2O) is the single largest contributor to global warming potential (GWP) for all commodities except tomatoes, exceeding 80% in some cases.