Guinness Atkinson Sustainable Energy 

Under typical market conditions, this fund commits a minimum of 80% of its net assets to publicly traded equity shares of sustainable energy companies, which may be located in the U.S. or abroad. The adviser identifies "Sustainable Energy" companies as those that primarily generate, produce, or offer alternative or renewable power sources. This also includes firms whose operations—whether in production, generation, transport, or delivery of energy and related applications—improve the efficiency or accessibility of alternative and renewable energy, or contribute to reducing the consumption of environmentally detrimental energy resources.