At Ocean Conservancy, we often get asked “How is the ocean doing?” That straightforward question is actually quite difficult to answer. This vast resource, our planet’s life support system, faces many complex challenges. Quantifying them is no easy matter.

The new Ocean Index  announced in Nature is one way to assess and compare the health of ocean ecosystems across different countries. To date, there’s been no comprehensive source that brings together all manner of ocean-related research in one place. The Index is a good starting point.

Sixty-five scientists and other experts worked together to create this tool. They use a series of indicators to measure ten goals important to us all, including

• food provision
•  coastal protection
• tourism and recreation
• coastal livelihoods and economies
• clean waters

The Index looks at the current status for each, as well as the likely scenario for sustainability into the future. Overall, the health of the ocean received a score of 60 out of 100. The United States is in the middle of the pack with a score of 63.  Continue reading »