I'm curious how the stated article jives with the following research by the USDA [0] into it's current resource and greenhouse emissions and the work done by Bjorn Lomberg and team that showed a modest 2% reduction in total CI globally [1] if the entire population switched to a vegetarian diet.
[0]https://content.govdelivery.com/accounts/USDAARS/bulletins/2...
[1]https://twitter.com/BjornLomborg/status/1058333491623067648