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44 Resources for

Will Merkel Use Next Week’s U.S. Visit to Boost the Paris Agreement?

  • Climate
  • U.S. Climate
  • G20
  • U.S. policy
  • Paris Agreement
  • climate policy
  • Climate
  • U.S. Climate
  • G20
  • U.S. policy
  • Paris Agreement
  • climate policy
Insights

China Making Progress on Climate Goals Faster than Expected

  • Energy
  • G20
  • National Climate Action
  • Paris Agreement
  • climate change
  • international climate policy
  • UNFCCC
Rooftop solar panels in China
  • Energy
  • G20
  • National Climate Action
  • Paris Agreement
  • climate change
  • international climate policy
  • UNFCCC

Germany Sets High Bar for G20 Summit in July, Trump’s First Meeting with Global Leaders

  • U.S. Climate
  • G20
  • climate change
  • international climate policy
  • low carbon development
Hamburg city view from St. Michael's Church
  • U.S. Climate
  • G20
  • climate change
  • international climate policy
  • low carbon development

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