Stewart Brand: Well, the earlier point is we interfered in a big way by making these animals go extinct, and many of them were keystone species, and we changed the whole ecosystem they were in by letting them go.
Stewart Brand: Pa, već sam ustvrdio da smo se jako umiješali  tako što smo istrijebili te životinje, a mnoge od njih bile su ključne vrste, a mi smo promijenili cijeli ekosustav u kojem su bile odustajući od njih.