Deep in the parched landscapes of Nevada, there is a stirring boom. The mining of lithium holds the promise of a treasured resource that can help slow disastrous global heating. … Across Nevada, there are more than 17,000 prospecting claims for lithium, a soft metal dubbed “white gold” by investors due to its scarcity and increasing value as clean energy components, with several new major projects now planned. … But the prospect of this new era of mining has unnerved some environmentalists and native American groups. Three-quarters of all known deposits of lithium in America are found near tribal land, igniting fears that a decline in destructive fossil-fuel mining could simply be replaced by a new form of harmful extraction.