Complex sentence: Green Apple Festival was founded by Peter Shapiro and Zenbu Media in partnership with Earth Day Network (EDN), the non-profit organization created by the original founders of Earth Day in 1970.
Split into simpler sentences: Green Apple Festival was founded by Peter Shapiro and Zenbu Media. It is produced in partnership with Earth Day Network (EDN), the non-profit organization created by the original founders of Earth Day in 1970.