Video: The Ad Council, The Humane Society of the United States and Maddie’s Fund Launch First National PSA Campaign to Encourage Pet Adoption from Shelters The Shelter Pet Project Marks First Ad Council Campaign to Focus on Pets NEW YORK, Sept. 24 /PRNewswire/ — The Advertising Council, in partnership with The Humane Society of the United States and Maddie’s Fund, announced today the launch of The Shelter Pet Project, a national public service advertising (PSA) campaign, designed to encourag