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Climate Implementation Tracker (Beta)

  • Paris Agreement
  • climate policy
  • climate change
  • GHG emissions
  • GHG Protocol
  • international climate policy
  • Paris Agreement
  • climate policy
  • climate change
  • GHG emissions
  • GHG Protocol
  • international climate policy

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
President Obama
  • Top Outcome: 2013
Outcomes
City skyline at night
  • Top Outcome: 2013
Outcomes
Buses in Latin America
  • Top Outcome: 2013
Outcomes
People in a field
  • Top Outcome: 2013
Outcomes
Farmer planting crops in Africa
  • Top Outcome: 2013
Outcomes
Power plant
  • Top Outcome: 2013
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
Silhouettes of children playing swing in turbine wind park at sunset