Crews near the Pennsylvania-Ohio border released and burned toxic chemicals from five derailed train cars.

在宾夕法尼亚州和俄亥俄州边界附近，工作人员对五节脱轨的火车车厢中的有毒化学物质进行释放并焚烧。

Some people have criticized the study for including burning, chemical recycling and plastic-to-fuel factories as ways to deal with plastic waste.

一些人批评这项研究将焚烧、化学回收和塑料燃料工厂作为处理塑料垃圾的方法。