snow pollution

例句：

1. 1. The city's air quality has been severely affected by the recent heavy snowfall.
   城市的空气质量因近期的大雪而受到严重影响。
2. 2. The snow pollution is a major environmental concern for many communities.
   雪污染是许多社区的主要环境关切。
3. 3.To reduce snow pollution, we need to increase public transportation and encourage people to walk or bike instead of driving.
   为了减少雪污染，我们需要增加公共交通并鼓励人们步行或骑自行车而不是开车。