Ray, P. (2019): Renewable energy and sustainability
Ray, P. (2019): Renewable energy and sustainability. In Clean Technologies and Environmental Policy 21 (8), pp. 1517–1533. DOI: 10.1007/s10098-019-01739-4.
„Rough analysis presented here based on data that are commonly accepted, and mass and energy conservation principle with second law, seem to indicate that irrespective of correlation between carbon dioxide build-up and global warming, renewable energy, specifically direct solar energy will have to be adopted.“