|License||CC BY-SA 4.0|
|Automatic translations||Français, Español, 中文, العربية, Русский, Kiswahili and others|
|Cite as "Pollution". Appropedia. 2021. Retrieved 2021-07-30.|
Pollution is a harmful waste in the environment, produced by humans artificially. Some pollution breaks down quickly, and some might take thousands or millions of years to breakdown.