CO2 emissions rose because of a 2.1 percent increase in global energy demand — 70 percent of which was met by fossil fuels, especially natural gas and coal - fired electricity. (cfact.org)
Increasing reliance on natural gas (methane) to meet global energy demands holds implications for atmospheric CO2 concentrations. (phe.rockefeller.edu)
-- The technical potential of renewable energy technologies exceeds the current global energy demand by a considerable amount — globally and in respect of most regions of the world. (dotearth.blogs.nytimes.com)