The things he mentions in the article - “reduce economic inequality / fairer distribution of resources”, “reduce resource consumption / use renewable resources”, and “reduce population growth” - were all popular left-wing theses forty years ago when I was in college.
What goes around comes around, it seems.
Yup. Next up, Overpopulation hysteria and a call for Evil Elits (um, "caucasians") to off themselves in the name of Gaia.