america. protesters have rotated in and out of this encampment for the past 11 months. they say what will become the largest federally approved lithium mining project operating in the u.s. comes at an environmental cost. >> producing one electric car releases something like nine tons of greenhouse gases on average. the whole issue of electric vehicles an and lithup mining is trickk us into believing that we could have this modern industrial lifestyle that we all enjoy, and also solve global warming. >> it is not going to solve any climate change problem. but it is a major contribution. >> reporter: lithium mining in the state of nevada has pitted environmentalists against other. >> glenn miller, at the university of nevada reno, supports the mine. he said it will cut carbon emissions from the transportation sector, a maimer source of greenhouse gases. >> the radical environmentalists