Renewable energy accounted for 2.4 % of global energy consumption in 2012, and a record 4.7 % of global power generation. (energytrendsinsider.com)
Therefore, the results presented here are inconsistent with the hypothesis of large reductions in global energy consumption for outdoor lighting because of the introduction of solid - state lighting. (treehugger.com)
«The energy in sunlight striking the earth for 40 minutes is equivalent to global energy consumption for a year,» the authors wrote. (psmag.com)