The investment seeks capital appreciation. Under normal circumstances, the fund invests at least 80% of its net assets (plus borrowings for investment purposes) in securities of companies providing environmental solutions, and in derivatives and other instruments that have economic characteristics similar to such securities. It seeks investment exposure to a number of countries throughout the world. Under normal circumstances, the fund will invest significantly in companies domiciled, incorporated, organized or headquartered in at least three countries outside the U.S., including developing and emerging market countries ("Non-U.S. Companies").