 GREENWICH, Conn.--BUSINESS WIRE--GAMCO Investors, Inc. GAMCO NYSE: GBL announced today that the registration statement for The Gabelli ETFs Trust, which includes nine Precidian ActiveShares actively managed ETFs, was declared effective by the Securities and Exchange Commission. Gabelli Funds launch of Love Our Planet People will reflect our mandate to invest in companies committed to sustainable practices such as renewable energy and the reduction or recycling of long-lived waste 