How green are electric cars? | It's Complicated

 There's no denying that electric vehicles are what most of us will be driving in the near-future. Countries around the world have pledged to phase out the sale of petrol and diesel vehicles over the next few decades, in an effort to achieve net zero carbon emissions by 2050. But with lingering questions over the mining of rare metals, battery manufacturing and electricity consumption, Josh Toussaint-Strauss investigates whether electric vehicles are as green as we've been led to believe