IRENA Report on Sustainable Pastureland Intensification: Making Room for Energy Crops without Harming Biodiversity Updated On Fri, May 31st, 2019 by Saurenergy Biofuels are an essential renewable energy resource, with 40% (90 exajoules) of renewable energy resources projected to come from biofuel sources by 2050. In order to meet these projected energetic demands, biofuel production must be increased from the current annual biofuel yield of 50 exajoules. Sustainable intensification of pastureland, or the increase of livestock yield […] Read more