December 2, 2023 — Bottom trawling, a fishing method that entails towing a net along the ocean floor to capture target species, does not release as much carbon as air travel, according to a response paper that sought to debunk research published in 2021 and picked up by global media outlets, including The Guardian.
The response paper, “Quantifying the carbon benefits of ending bottom trawling,” released in May 2023, claims that Sala et al. – the authors of the original research – overestimated trawling’s carbon output by two to three orders of magnitude, or 100 to 1,000 times more than they should have, in the model they used, contending that the discrepancies are due to incorrect fundamental assumptions of the carbon cycle and flawed validation.