Complex sentence: Planet Aid says it has placed over 13,000 yellow clothes collection boxes in 20 states across the US, and that it works to create partnerships with businesses, schools and other organizations on state and local levels to help them collect used clothing for their organization.
Split into simpler sentences: Planet Aid says it has placed over 13,000 yellow clothes collection boxes in 20 states across the US. The organization says it works to create partnerships with businesses, schools and other organizations on state and local levels to help them collect used clothing for their organization.