Our Hills Are About to Become Giant Batteries

A solution to the uphill battle to meet the world’s energy needs

Photo: Waranont (Joe)/Unsplash

The world is facing a stored energy shortage. According to the International Energy Agency, the world needs to produce 10,000 gigawatt-hours of batteries and other forms of energy storage by 2040 — that’s a 50-fold increase on today’s current output — or risk being unable to…