 In 2007, he co-founded Azure Worldwide, an environmental consulting, development, marketing and media company which was the successor to his earlier for-profit venture, Thalassa Ventures Corporation.In May 2012, Cousteau and AdvisorShares launched an exchange-traded fund (ETF) called the AdvisorShares Global Echo ETF Exchange, focused on sustainable investing; the fund said it would donate a portion of its fund management fees to philanthropic projects around the world, including the Panzi Hospital in Eastern Congo (which focuses on the treatment and empowerment of women).He has lectured at the UN, Harvard University and other institutions on environmental issues, and has served on the Board of Directors of the Ocean Conservancy, National Environmental Education Foundation and the Marine Conservation Institute.