Interior decoration pollution is known as the "invisible killer", some harmful substances may have much worse impacts on women, children and the elderly.

装修污染被称为室内的“隐形杀手”，其中的有害物质对女性、儿童和老人的伤害更加严重。

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Nearly 50 years, the world's oceans to the pollution into the disappearance of thousands of Marine organisms invisible.

近五十年来，世界海洋的污染使成千种海洋生物消亡于无形。

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There are serious pollution problems in the scrap trade, among which the biggest risk is invisible pollution such as heavy metals and chemicals in wastes.

废品回收存在很大的污染问题，而最大的风险是看不见的污染，如废品中的重金属和化学品。

youdao

The film highlights key water quality problems such as lack of access to safe water and sanitation, inefficient wastewater management in urban areas, water pollution caused by intensive use of nutrients and chemicals in agriculture, the invisible threat of new and emerging pollutants in water and the economic costs of water quality degradation.

UNESCO: MEDIA SERVICES