体にいい食生活は環境にもいい。

肉研究チーム　健康にとって最も有害な食品を挙げる 

World-First Analysis Clearly Shows Healthier Diets Are Also Better For The Planet CARLY CASSELLA30 OCT 2019

What you put in your belly every day can have an impact beyond your health. Now, the latest analysis suggests that, as a general rule of thumb, what's good for you is almost always better for the planet as well.

おおまかにいえば、体にいいものは、環境にもいい。

肉食減らして菜食増やしなはれ、というわけだね。