Enertopia Corp., a development stage company, operates as a renewable energy company. It focuses on various cleantech sectors, including solar photovoltaic, solar thermal (hot water), energy retrofits and recovery, and solar powered filtered drinking water. Enertopia Corp., through its equity interest in Pro Eco Energy USA Ltd., is involved in the design, development, and installation of solar energy solutions for commercial and residential customers; and through its equity interest in Global Solar Water Power Systems Inc. focuses on the design and manufacture of water filtration equipment. The company was formerly known as Golden Aria Corp. and changed its name to Enertopia Corp. in February 2010. Enertopia Corp. was founded in 2004 and is based in Vancouver, Canada.