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5 Priorities for Urban Climate Action in 2023 and Beyond

  • transportation
  • electric mobility
  • Freshwater
  • Climate
  • Paris Agreement
  • nature-based solutions
  • poverty
  • human rights
A new electric bus in New Delhi, India
  • transportation
  • electric mobility
  • Freshwater
  • Climate
  • Paris Agreement
  • nature-based solutions
  • poverty
  • human rights
Insights

We Predicted Where Violent Conflicts Will Occur in 2020. Water Is Often a Factor

  • Water Security
  • human rights
  • Freshwater
  • water risk
Mali water
  • Water Security
  • human rights
  • Freshwater
  • water risk
Insights

UN Security Council Examines the Connection Between Water Risk and Political Conflict

  • Aqueduct
  • human rights
  • United Nations
  • Freshwater
  • water risk
SDF fighters in central Raqqa
  • Aqueduct
  • human rights
  • United Nations
  • Freshwater
  • water risk

Environmental Justice and Democracy Failures at the Heart of Flint’s Water Crisis

  • Equity & Governance
  • Freshwater
  • environmental democracy
  • environmental justice
  • human rights
  • Water Quality
  • water risk
Water plant in Flint, Mich.
  • Equity & Governance
  • Freshwater
  • environmental democracy
  • environmental justice
  • human rights
  • Water Quality
  • water risk

A New Strategy to Improve Water Quality—One Targeted Watershed at a Time

  • water pollution
  • hypoxia
  • Freshwater
  • Water Quality
More than 15,000 streams, rivers, and lakes are too polluted with nutrient runoff to support wildlife, be enjoyed recreationally, or serve as a drinking water source. Photo credit: USDA
  • water pollution
  • hypoxia
  • Freshwater
  • Water Quality
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.

Can Nutrient Trading Shrink the Gulf of Mexico's Dead Zone?

  • water pollution
  • hypoxia
  • Freshwater
Dead fish resulting from toxins or oxygen depletion in Lake Binder, Iowa. Photo credit: Dr. Jennifer L. Graham, U.S. Geological Survey
  • water pollution
  • hypoxia
  • Freshwater
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
Silhouettes of children playing swing in turbine wind park at sunset