When Dad was Deputy Minister of the Environment in Canada, this sparked off intense interest in the biosphere.
The Tragedy of the Commons is a legal issue in USA so production often is placed outside, in China and elsewhere.
It is almost always cost factor, but also cultural forces exerting influence to decide we need to visit the moons of Jupiter to seek their waters.
Loss of tuna, whales and sharks amoung people whom have never seen a live shark is a factor. How real is loss when we do not know of it? Thanks for Prof. Earle informing us.