Exactly how much? No, because unlike CO2, methane leakage is not being continuously measured. The fracking industry is not interested in measuring (duh) and th

Exactly how much? No, because unlike CO2, methane leakage is not being continuously measured. The fracking industry is not interested in measuring (duh) and the government is not forcing them to do so. Here's a study that tries to hazard an estimate in leakage from one source though: http://www.theguardian.com/environment/2014/jun/20/fracking-wells-pennsylvania-leaking-methane http://www.theguardian.com/environment/2014/jun/20/fracking-...