David Grinspoon Quote
This way, we’ve changed the geometry of the planet. Before we came along, the world was discontinuous. Oceans, deserts, and mountain ranges formed impenetrable barriers, breaking Earth into separate regions where populations could evolve independently, and then be isolated or merged by continental drift and climate change. Now we’ve created pathways around all those borders, and to some degree the planet is one continuous habitat. Some
David Grinspoon
This way, we’ve changed the geometry of the planet. Before we came along, the world was discontinuous. Oceans, deserts, and mountain ranges formed impenetrable barriers, breaking Earth into separate regions where populations could evolve independently, and then be isolated or merged by continental drift and climate change. Now we’ve created pathways around all those borders, and to some degree the planet is one continuous habitat. Some