"...the care of the earth is our most ancient and most worthy and, after all, our most pleasing responsibility. To cherish what remains of it, and to foster its renewal, is our only legitimate hope." — Wendell Berry, The Art of the Commonplace: The Agrarian Essays.
It was a soil scientist who reminded me recently of something we self-obsessed humans often forget: We don't need to worry about saving the planet. The planet will save itself.