More than 70 percent the surface of the planet is covered by the oceans. For World Ocean Day, here are some of our best reports on the state of the sea.
With a new laser scanning tool, marine biologists can take a close look at some of the gloopiest and most mysterious organisms in the ocean.
A September report by the United Nations, written by more than 100 international experts and based on more than 7,000 studies, found that climate change is severely polluting the oceans and creating profound risks for coastal cities and food supplies.
An analysis published in January found that 2019 was the hottest for the world’s oceans. The five hottest years have also been in the past five years.
A December report found that oxygen levels in the world’s oceans had dropped 2 percent over 50 years and threatened marine life around the world.
Warmer seawater means trouble for the world’s coral reefs. Air data from Australia, released in April, shows examples of overheating and severe damage along the Great Barrier Reef.
Bleaching is not the only threat to the world’s coral reefs. Storms that are often triggered by climate change also take their toll. Last September, hurricane Dorian destroyed about 30 percent of the reefs in the Bahamas, according to scientists.
An estimated 600 million people live directly on the coasts of the world and are among the most dangerous places in the era of climate change. Two sprawling metro areas – one rich and one poor – offer a vision of a potentially watery future for 600 million coastal residents worldwide.