NEW : ` ` People are saying they ca n't believe what they are finding , '' leader says of trash removal . `` It 's understanding each person can make a difference . '' Saturday 's event is called the ' American Cleanup ` ` ' Day of Action '' Large - scale trash removal is planned for 10 cities , like Los Angeles and Philadelphia . At least 10,000 volunteers are expected to travel across the United States .
NEW : ` ` People are saying they ca n't believe what they are finding , '' leader says of trash removal . Saturday 's event is called the ' American Cleanup ` ` ' Day of Action '' Large - scale trash removal is planned for 10 cities , like Los Angeles and Philadelphia . At least 10,000 volunteers are expected to travel across the United States .