Frank Brown Cloud
The biological function of sex is to create diversity — which helps populations endure, even if this is bad for individuals — so we should expect diversity in the expression of sex.
To save our planet, we need to buy fewer things; how might we still be happy?
Partible paternity — a child having 3+ genetic contributors — can be real both biologically and culturally.
Our culture has changed, but so has the environment, and we need to acknowledge both.