较旧的生产技术往往继续产生毒性废物，这些废物在最初采用时没有受到管制。

Older production technologies often continue to generate toxic wastes that were not regulated when the technology was first adopted.

youdao

曼彻斯特大学的一项研究计算了二氧化碳（造成气候变化的主要温室气体）在微波炉生产的每个阶段的排放量，从产品制造到废物处理。

A study by the University of Manchester calculated the emissions of CO2—the main greenhouse gas responsible for climate change—at every stage of microwaves, from manufacture to waste disposal.

youdao

泰晤士水公司气候变迁策略经理基斯。 柯恩宽说：“谈这个可能不太礼貌，不过我们所生产的（粪便）不仅仅是废物，也是种绝佳的能源。”

“There’s no polite way of saying this but what we produce —our poo —isn’t simply waste, it’s a great source of energy, ” said Keith Colquhoun, Thames Water’s climate change strategy manager.

youdao