In the words of the lead author of the most comprehensive analysis on farming and the environment to date, who incidentally started his research as a meat eater but became vegan because of the findings of the study, ‘A vegan diet is probably the single biggest way to reduce your impact on planet Earth, not just greenhouse gases, but global acidification, eutrophication, land use and water use.’124 Going vegan really is our best chance to save the planet.