Study: it takes 10 units of alternative electricity sources to offset 1 unit of fossil fuel-generated power
'Based on a four-model study of electricity used in some 130 countries in the past 50 years, York found that it took more that 10 units of electricity produced from non-fossil sources —nuclear, hydropower, geothermal, wind, biomass and solar —to displace a single unit of fossil fuel-generated electricity'
