Nature CommunicationsLandfill: time capsule of plastic waste but microplastic generation sourceQiujie HuangHui WangChangfu YangJicui CuiMuhammad Amjad FarooqZhaowen ChengXiaoming WangZhiyong HanBeidou XiYoucai ZhaoYong GengZiyang Lou2026-08-22Full textDOI https://doi.org/10.1038/s41467-026-76905-6