All you Vegans out there, sorry to be a killjoy, but it’s not the cows after all that are making all the methane, it’s fracking. Cornell University this week provided a definitive method for testing what process has released methane, and what is responsible for the global spike in its presence in the atmosphere. Just to be clear, we applaud and support vegans for their position on food, but have always suspected that blowing pressurized water underground was likely to be a major culprit in recent methane growth. Turns out it is. There results were published in the August edition of Bio-geosciences, a journal of the European Geosciences Union. By measuring the weight of the carbon atoms involved in recent…