Explores the fundamental concepts related to renewable and nonrenewable energy sources with an emphasis on sustainable energy use and conservation. Topics include world energy use and primary energy sources, local energy issues, and an overview of sustainable energy technologies (e.g. solar, photovoltaics, wind, microhydro, fuel cells, biodiesel and others.) Students explore the scientific underpinning of global warming and how consumption of fossil fuels relates to atmospheric change. This is the non-credit option of REE 110.