Clear the Air is a joint project of three leading air quality groups: the Clean Air Task Force, National Environmental Trust and . PIRG Education Fund. The Clean Air Task Force is a non-profit organization dedicated to restoring clean air and healthy environments through scientific research, public education and legal advocacy. The National Environmental Trust was established in 1994 as a non-profit, non-partisan organization dedicated to applying modern communications and public education techniques to environmental education and advocacy. The . PIRG Education Fund is a nonprofit, nonpartisan organization that conducts independent research, and educates and organizes the public about a wide variety of environmental, consumer.