Climate Changes Everything, Episode 7: Ancient Solar Energy - Part Three

"Wonder Twin powers, activate!  Form of ... hydraulic fracturing!  Shape of ... horizontal drilling!"  Join us as we continue our broad and deep exploration of climate-pivotal natural gas, focused on the world-changing Wonder Twins (or Evil Twins or both?) of fracking and horizontal drilling.  Cartoon crime-fighters aside, it all starts, believe it or not, in the midst of one of the bloodiest battles of the American Civil War ...