I generally define sustainability as not lowering the amount of multicellular life earth can sustain. Single-celled life turns out to comprise a lot of life and our behavior may not affect it, but I’m partial to humans and the life we depend on, like other animals, plants, and fungi. Humans have decreased the amount of life. If sustainability keeps the number unchanged, it’s like a zero net affect. Unsustainability means[…] Keep reading →
