Turning livestock manure into biochar has been hailed as a climate-friendly way to recycle waste, lock away carbon, and make farming more sustainable. But new research suggests that this “green” ...

Biochar can help turn agricultural waste into clean hydrogen fuel while cutting carbon pollution, according to a new study in ...

Enthusiasts say that biochar could go a long way towards mitigating climate change and bring with it a host of ancillary benefits. But others fear it could do more harm than good. Kurt Kleiner reports ...