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== References == | == References == | ||
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[[Category:Social issues]] | |||
Latest revision as of 04:08, 17 November 2021
Pollution is the introduction of contaminants into an environment that causes adverse effects on either the environment or humans. In 2015, pollution killed 9 million people worldwide.[1]
As with many other social issues, pollution arises out of a specific mode of production. For example, air pollution increases if a society chooses to orient itself towards personal internal combustion vehicles rather than high speed rail, which emits significantly less pollution on a per-passenger-mile basis.[2]
References[edit | edit source]
- ↑ Deutsche Welle (2020-01-25). "The world’s most polluted river | DW Documentary" Deutsche Welle.
- ↑ Hannah Ritchie (2020-10-13). "Which form of transport has the smallest carbon footprint?" Our World in Data.