NEW : `` People are saying they ca n't believe what they are finding In all , 10,000 volunteers were projected to participate . , '' leader says of trash cleanup . last year '' 's event is called the Great American Cleanup `` National Day of Action '' Large-scale trash removal is planned for At least 10,000 sites , like the United States and Philadelphia . 10 volunteers are expected to participate across the United States .
NEW : `` People are saying they ca n't believe what they are finding , '' leader says of trash cleanup . last year '' 's event is called the Great American Cleanup `` National Day of Action '' Large-scale trash removal is planned for At least 10,000 sites , like the United States and Philadelphia . 10 volunteers are expected to participate across the United States .