transparent – adj. something that you can see through
efficient – adj. capable of producing desired results without wasting materials, time, or energy
photovoltaic – adj. generating electricity directly from sunlight by a an electronic process naturally occurring in semiconductors
innovate – v. to introduce as if new
architect – n. a designer of buildings
potential – adj. capable of becoming real
renewable energy – n. energy that is collected from resources which are naturally replenished, like sunlight, wind, rain, waves
fossil fuels – n. energy sources from fossils that include oil, coal and natural gas that are non-renewable