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  • water pollution
  • Ocean
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STATEMENT: Fourth National Climate Assessment Confirms Climate Change Will Affect All Regions and All Sectors of U.S. Economy

  • Air Quality
  • Water Security
  • fires
  • climate science
  • natural infrastructure
  • Climate Resilience
  • agriculture
  • climate change
  • health
  • climate impacts
  • water pollution
  • pollution
  • sea level rise
  • Ocean
  • Air Quality
  • Water Security
  • fires
  • climate science
  • natural infrastructure
  • Climate Resilience
  • agriculture
  • climate change
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  • climate impacts
  • water pollution
  • pollution
  • sea level rise
  • Ocean
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Cities4Forests

Pond and trees in front of city skyline.
Data

Eutrophication & Hypoxia Map Data Set

  • Freshwater
  • pollution
  • water pollution
  • mapping
  • data
  • Freshwater
  • pollution
  • water pollution
  • mapping
  • data
Initiatives
This website serves as an information portal about eutrophication—the over-enrichment of water by nutrients such as nitrogen and phosphorus—a leading threat to water quality around the world. Explore our interactive map and learn more.
Initiatives

Water Quality Trading

Solid blue background
Data

Coastal Eutrophic and Hypoxic Areas of Africa

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
Data

Coastal Eutrophic and Hypoxic Areas of Asia

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
Data

Coastal Eutrophic and Hypoxic Areas of Australia and Oceania

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
Data

Coastal Eutrophic and Hypoxic Areas of Europe

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution

Coastal Eutrophic and Hypoxic Areas of South America

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution

Coastal Eutrophic and Hypoxic Areas of North America and the Caribbean

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution

Agricultural Lands by Slope Category

  • Ocean
  • Freshwater
  • coral reefs
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • coral reefs
  • Water Quality
  • water pollution
Data

World Hypoxic and Eutrophic Coastal Areas

  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution
  • Ocean
  • Freshwater
  • hypoxia
  • Water Quality
  • water pollution