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Science
Does global warming affect the ocean's oxygen levels?
Does global warming affect the ocean's oxygen levels?
Learn about the steady decline in levels of dissolved oxygen in the ocean, a phenomenon linked to global warming.
Encyclopædia Britannica, Inc.
Does global warming affect the ocean's oxygen levels?
How is sewage transformed into drinkable water?
How is sewage and industrial wastewater reclaimed for use?
The impact of plastic waste on marine life
Gitanjali Rao explains the fight for clean drinking water
What are microplastics?
How are drifting sensors used to study the salt content and pollution in California's Sacramento–San Joaquin River Delta?
Why the Chicago River was reversed
How to clean up Earth's oceans
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