2017 marks five years since the OHI first launched. With this short biography we reflect on its many achievements thus far as we continue to work for healthy oceans.Read More...
What is OHI+?
Independent assessments at any scale.
OHI+ assessments use the OHI framework and are independently-led by anyone interested. OHI+ assessments are often conducted at smaller spatial scales with the purpose of informing marine policy.Learn More
Where have assessments been done?
How do I get started?
Today the Ocean Health Index (OHI) announces the completion of the fifth annual global Ocean Health Index (OHI) assessment at the 17th annual Global Environment Facility Large Marine Ecosystem meeting in Paris. Global OHI scores represent ocean health for 220 coastal nations and territories and are calculated with the same methods and best available information each year. The OHI, established in 2012, is a partnership led by scientists from the National Center for Ecological Synthesis and Analysis (NCEAS) at the University of California at Santa Barbara and Conservation International.Read More...