Recreational diving, an often overlooked ocean resource.
Ben Halpern and colleagues, NCEAS 2012
Health can be assessed in many different ways--temperature, blood pressure, pulse, and respiratory rate are all measures of human health. But how do we know if the oceans are healthy? Scientists recently developed an index to answer that question.
The oceans plays a critical role in supporting life on Earth. As noted oceanographer Sylvia Earle has repeatedly said, “No blue, no green.” Not only is the ocean responsible for providing half of the planet’s oxygen and regulating the global climate, but it also provides humans with food, livelihoods, and opportunities for recreation.
In order to take all of these components into account, scientists have created an index comprised of ten diverse factors that contribute to the health of the oceans and the benefits they provide to humans. The assessment, published in Nature this week, calculated the index for every coastal country individually, as well as a combined global health index.
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