papauly: there e has been t this geneneral idea o out there t thf you u want to sesee nature, , yu neneedo go o to yellowswstoner yosemite,e, and the reality is that that's not true. and everybody shouould know that that's not true because they just have to start l looking around and they can see the incredible diversity of species that are around ththem at all times. you don't need to travel anywhere to see nature. you just need to start observing. announcer: "earth focus" is made possible in part by the orange county community foundation j.p. harpignies: greetings, fellow creatures. so all we need to do is really to k know a little bit of our history or to turn on the news every day to know that fanatically utopian social movements can be catastrophically destructive. also, the utopian impulse can be embarrassingly silly when it's not grounded. that said, the utopian imagination is crucial to the human enterprise because it's the source of most of the new ideas and visions that human beings come up with, and i suspect that none of you would bbe here at "bioioneers" if yoyu didn't think