STAMFORD, Conn. (March 19, 2021) – Keep America Beautiful®, the nation’s leading community improvement nonprofit organization, will launch its 23rd annual Great American Cleanup® (GAC) on Saturday, March 20, the first day of spring. The GAC, which continues through June 20, will engage the Keep America Beautiful network of nearly 700 community-based affiliates and partner organizations in a spring-cleaning movement to beautify and unify communities across America.