Human beings have made enormous changes to Earth, reshaping it, developing it and generally altering it so much that in many cases its pre-human condition has become unrecognizable. In this far-ranging conversation, ecologist Erle Ellis and landscape architect Bradley Cantrell discuss what this means for ecology and architecture … and how we might think about protecting our planet.

An elephant, photographed from the sky, courtesy Lian Pin Koh.

Learn the how and why of using drones and aerial technology for science and conservation.