Quantcast

Ocean Health Gets 'D' Grade in New Global Index

The health of Earth's oceans is still ailing although slightly improved, says the latest edition of the Ocean Health Index, issued this week. It gave the planet's waters a score of "D," saying it could be worse and that conservation and protection measures are having a positive effect. The goal of the study, say its authors, is "to encourage decisions that create a healthier ocean and to track progress toward that goal."

The index, which updates the ones issued in 2012 and 2013, calculates an annual global score for ocean health in 221 coastal regions and 15 sectors of the high seas, based on dozens of the best scientific sources available.
Photo credit: Shutterstock

"Oceans nourish us, provide livelihoods and sustain life on earth, but we no longer can take ocean benefits for granted," they say. "The Ocean Health Index provides a useful framework and instrument to help us manage our oceans more thoughtfully and sustainably."

The index, which updates the ones issued in 2012 and 2013, calculates an annual global score for ocean health in 221 coastal regions and 15 sectors of the high seas, based on dozens of the best scientific sources available. It monitors pollution, overfishing and the impacts of climate change, among other things. It assigns individual scores to each regions, with scores for factors such as biodiversity, carbon storage, coastal protection, clean waters, natural products and coastal livelihoods & economies. It even assesses tourism and recreation and "sense of place."

The Index assigned the oceans an overall score of 67, with the waters off Canada's Prince Edward Island and Australia's Heart and McDonald Island the top scorers at 93, with the largely uninhabited wildlife preserves of Howland Island and Baker Island in the equatorial Pacific scoring 92. On the low end were countries like Somalia, Eritrea, Guinea Bisseau, Pakistan, Grenada and Angola, which scored 48-49. Both the High Seas,which it included for the first time this year, and the coastal territories were assigned the score of 67 while Antarcctica, also graded for the first time, got 72.

"Certainly the score of 67 needs to be much higher if the ocean is sustainably to help meet the needs of our rising human population," said the study. "Although there is much room for improvement, some people might have expected an even lower score given all the news reports about ocean acidification, oil spills, plastic trash, dead zones, overfishing and others—serious impacts that will become worse if their causes are not reduced or eliminated."

The index authors noted that scores were slightly higher overall from the previous two years, improving in areas like biodiversity, coastal protection, and sense of place, and they projected slightly higher scores in upcoming years.

"Humans and our activities are part of the ocean, and the human-ocean system is healthier if it delivers the most benefits for us that it can without jeopardizing the future health or function of the web of life that the ocean contains," they conclude.

YOU MAY ALSO LIKE

Sea Shepherd Founder to Bill Maher: ‘If Oceans Die, We Die'

How Acidification, Overfishing and Plastics Threaten the World's Oceans

World Oceans Day: 10 Spectacular Places Worth Protecting

EcoWatch Daily Newsletter

Scanning electron micrograph of Yersinia pestis, which causes bubonic plague, on proventricular spines of a Xenopsylla cheopis flea. NIAID / Flickr / CC BY 2.0

A middle-aged married couple in China was diagnosed with pneumonic plague, a highly infectious disease similar to bubonic plague, which ravaged Europe in the middle ages, as CNN reported.

Read More Show Less
Milk made from almonds, oats and coconut are among the healthiest alternatives to cow's milk. triocean / iStock / Getty Images Plus

Dairy aisles have exploded with milk and milk alternative options over the past few years, and choosing the healthiest milk isn't just about the fat content.

Whether you're looking beyond cow's milk for health reasons or dietary preferences or simply want to experiment with different options, you may wonder which type of milk is healthiest for you.

Read More Show Less
Sponsored
Greta Thunberg stands aboard the catamaran La Vagabonde as she sets sail to Europe in Hampton, Virginia, on Nov. 13. NICHOLAS KAMM / AFP via Getty Images

Greta Thunberg, the teenage climate activist whose weekly school strikes have spurred global demonstrations, has cut short her tour of the Americas and set sail for Europe to attend COP25 in Madrid next month, as The New York Times reported.

Read More Show Less
The Lake Delhi Dam in Iowa failed in 2010. VCU Capital News Service / Josh deBerge / FEMA

At least 1,688 dams across the U.S. are in such a hazardous condition that, if they fail, could force life-threatening floods on nearby homes, businesses, infrastructure or entire communities, according to an in-depth analysis of public records conducted by the the Associated Press.

Read More Show Less

By Sabrina Kessler

Far-reaching allegations about how a climate-sinning American multinational could shamelessly lie to the public about its wrongdoing mobilized a small group of New York students on a cold November morning. They stood in front of New York's Supreme Court last week to follow the unprecedented lawsuit against ExxonMobil.

Read More Show Less
Sponsored

By Alex Robinson

Leah Garcés used to hate poultry farmers.

The animal rights activist, who opposes factory farming, had an adversarial relationship with chicken farmers until around five years ago, when she sat down to listen to one. She met a poultry farmer called Craig Watts in rural North Carolina and learned that the problems stemming from factory farming extended beyond animal cruelty.

Read More Show Less
People navigate snow-covered sidewalks in the Humboldt Park neighborhood on Nov. 11 in Chicago. Scott Olson / Getty Images

Temperatures plunged rapidly across the U.S. this week and around 70 percent of the population is expected to experience temperatures around freezing Wednesday.

Read More Show Less
A general view of the flooded St. Mark's Square after an exceptional overnight "Alta Acqua" high tide water level, on Nov. 13 in Venice. MARCO BERTORELLO / AFP / Getty Images

Two people have died as Venice has been inundated by the worst flooding it has seen in more than 50 years, The Guardian reported Wednesday.

Read More Show Less