In honor of Earth Day on April 22, Colgate welcomes swimmer Michael Phelps to the company’s water conservation awareness effort as global ambassador. As Colgate continues its ongoing partnership with The Nature Conservancy, a leading conservation organization to restore waterways in the US and educate people about the importance of water, Phelps will help raise awareness for the ‘Save Water’ program and inspire the next generation to take action. This summer, Phelps will introduce three short...