Pollution: Difference between revisions

Revision as of 04:05, 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

↑ 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.

[1] Deutsche Welle (2020-01-25). "The world’s most polluted river | DW Documentary" Deutsche Welle.

[2] Hannah Ritchie (2020-10-13). "Which form of transport has the smallest carbon footprint?" Our World in Data.

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-'''Pollution''' is the introduction of [[Contaminant|contaminants]] into the natural environment that cause adverse change. Pollution can take the form of [[Chemical substance|chemical substances]] or [[energy]], such as noise, heat, or light. [[Pollutant|Pollutants]], the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as [[Point source pollution|point source]] or [[nonpoint source pollution]]. In 2015, pollution killed 9 million people worldwide.<ref>https://youtu.be/GEHOlmcJAEk</ref>
+'''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.<ref>{{News citation|journalist=Deutsche Welle|date=2020-01-25|title=The world’s most polluted river {{!}} DW Documentary|url=https://youtu.be/GEHOlmcJAEk|newspaper=[[Deutsche Welle]]|archive-url=|archive-date=|retrieved=}}</ref>
+As with many other [[:Category:Social issues|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.<ref>{{News citation|journalist=Hannah Ritchie|date=2020-10-13|title=Which form of transport has the smallest carbon footprint?|url=https://ourworldindata.org/travel-carbon-footprint|newspaper=Our World in Data|archive-url=|archive-date=|retrieved=}}</ref>
+== References ==