Does the nickel needed for electric car batteries nix the benefits?

(KXAN) — Electric vehicles are the the forefront in the battle against climate change — and they're top of mind for many as Tesla relocates its headquarters to Austin.Yet, these cars still need resources to power their lithium-ion batteries. Tesla headquarters officially move to AustinAnd that resource? Nickel — and lots of it.NBC News tracked nickel mining from the the Philippine rain forest all the way to Tesla the U.S. and found this mining is shrinking the rain forest and p