Image, I have been, all my life, what is known as a conservationist.

I have been, all my life, what is known as a conservationist. It seems clear beyond possibility of argument that any given generation of men can have only a lease, not ownership, of the earth; and one essential term of the lease is that the earth be handed down on to the next generation with unimpaired potentialities. This is the conservationist’s concern.

Roderick Haig-Brown