Renewables, Fossil Fuels, Climate Change, Sustainability, Economics.
system. Technology Review, MIT. https://www.technologyreview.com Ted Trainer, 2017, The overlooked significance of the EROI for renewable energy supply systems,http://thesimplerway.info/REsystem%20EROI.html. Richard York, 2012, Do alternative energy sources displace fossil fuels? Nature Climate