Complex sentence: In the incinerators and landfills, where most CDs meet their end, the polycarbonate plastic can be degraded by different ways resulting in persistent pollutants to the landfills and aquatic systems.
Split into simpler sentences: In the incinerators and landfills, where most CDs meet their end, the polycarbonate plastic can be degraded by different ways. This degradation releases persistent pollutants to the landfills and aquatic systems.