The fund intends to invest at least 80% of its net assets in equity securities of globally based companies involved in sustainable energy or energy technology sectors. Sustainable energy includes, but is not limited to energy derived from such sources as solar or wind power, hydroelectricity, tidal flow, wave movements, geothermal heat, biomass or biofuels. Energy technology includes technologies that enable these sources to be trapped and also various manners of storage and transportation of energy, including hydrogen and other types of fuel cells, batteries and flywheels, as well as technologies that conserve or enable more efficient use of energy.