What is the OHI?
The Ocean Health Index ('OHI') is a way to measure how healthy oceans are. Understanding the state of our oceans is a first step towards ensuring they can continue providing humans benefits now and in the future.Learn 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