1. a)International Energy Agency World Outlook Report November2017;
2. b)International Energy Agency World Outlook Report November2012.
3. N. S.Lewis G.Crabtree Report on the Basic Energy Sciences Workshop on Solar Energy Utilization US Department of Energy Office of Basic Energy Science April2005.
4. When will fossil fuel reserves be diminished?
5. G. A.Un Transforming our World: the 2030 Agenda for Sustain able Development United Nations General Assembly Resolution A /RES/70/1 October 21 2015.