Authors:

The foundation is being laid for the emergence of both wind and solar cells as cornerstones of the new energy economy.

Lester R. Brown, Michael Renner (2014). “Vital Signs 1999-2000: The Environmental Trends That Are Shaping Our Future”, p.16, Routledge
The foundation is being laid for the emergence of both wind and solar cells as cornerstones of the new energy economy.