Course Description : the use of solar technologies in homes, offices, schools, factories and farms to lessen the soot, smog, acid rain and mercury poisoning that plagues the Earth as a result of burning fossil fuels. We examine the barriers that prevent people from accessing and utilizing solar energy and consider what can be done to encourage its use across the globe. This course suits homeowners or business owners who are interested in investing in solar power. It can also help anyone interested in the environment to understand how this important technology can spare the planet further pollution. Aspiring engineers should also consider adding this knowledge to their portfolios as renewable energy is a crucial industry in the new century.