Earth Day 2010 campaign director Nate Byer announced the lineup for The Climate Rally on the National Mall concert in Washington, D.C., on daily Webcast Washington Unplugged on CBSNews.com.
Byer told CBS News Congressional correspondent Nancy Cordes the lineup will include Sting, John Legend, The Roots, Q-Tip, and Booker T.
Watch CBS News Videos Online
Vine has added sound and motion to the popular microblogging website, Twitter. Learn how to bring your information to life in our