How My Month-Long Diet to Save the Planet Collapsed Under a Mountain of Donuts and Pizza.

Diets that lack vital nutrients like that one will always lead to returning to more filling and nutritious foods, no matter what the excuses and justifications. Not that donuts are nutritious, but it’s a myth that your body knows what specific foods to consume if it’s not getting vital nutrients. What it does do is basically cue you to eat everything, after a while. Some people can resist this urge. Most can’t.

Also, fatty foods are not unhealthy. That’s a myth promulgated by the food consortiums in the 1960s-1980s.

“Save the earth, eat stuff that tastes like your cat’s litterbox” is never going to be an effective strategy, even if it actually would save the earth (it won’t).