You could one day power your wearable tech just by having a beating heart.September 12, 2017
When hydropower facilities are included, the figure is about 80%.May 20, 2017
An entire country powered by nothing but renewable sources of energy. Sounds impossible? In 2015, Costa Rica did just that—running fossil-free for 299 days. By 2021, this Central American republic hopes to be fully carbon neutral. Here’s a breakdown of how Costa Rica is pioneering country-wide environmental sustainability.