The History of Water Protection Legislation скачать в хорошем качестве

The History of Water Protection Legislation

Join us in a discussion of the major legislative strides taken by governments around the world to protect water resources. We will focus on the U.S. Clean Water Act, which celebrates its 40th anniversary this year, and also discuss what citizens around the world can do to keep water clean and healthy for future generations. Presented by: Catherine Christen, Graduate and Professional Training Manager, Smithsonian Conservation Biology Institute Original Airdate: May 17, 2012 You can stay connected with the Smithsonian's upcoming online events and view a full collection of past sessions on a variety of topics.: http://www.smithsonianeducation.org/e... With support from Microsoft Partners in Learning.