There are a few problems of air pollution by chemicals, lint, etc., but these are minor.

化学品、棉花等也造成一些空气污染问题，但这是次要的。

youdao

There are a few problems of air pollution by chemicals, lint, etc. , but these are minor.

化学品、棉花等也造成一些空气污染问题，但这是次要的。

youdao

COPD is mainly caused by smoking, but the condition also has been linked with secondhand smoke, air pollution and workplace dust and chemicals.

吸烟是引发慢性阻塞性肺疾病的主要原因，但它也与二手烟、空气污染以及工作场所的粉尘和化学物质有关。

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