Climate Change: Calpine Promoting Geothermal at COP21

Calpine's Thad Miller speaking @UNESCO #EarthToParis at #COP21 on The Geysers #geothermal water recharge project pic.twitter.com/zJm5vg6yc1

— Calpine COP21 (@CalpineCOP21) December 8, 2015