"more pollution" 用英语可以表示为 "increased pollution" 或 "greater pollution"。
来源：污染是指对环境造成不良影响的行为或物质。它可能来自工业、交通、农业等多种来源。随着人口增长和经济发展，污染问题日益严重。
英文例句：
"The increased pollution in the city is a major concern for residents."
(城市中日益增加的污染是居民的主要关切。)
"Greater pollution in the water has led to a decrease in fish populations."
(水中更多的污染导致鱼类数量减少。)
"The factory has been accused of contributing to the more pollution in the area."
(工厂被指控为该地区更多的污染做出了贡献。)