Sharks are ‘functionally extinct’ in many coral reef ecosystems – plus new findings on how marine life breaks apart plastic.

Estimates for the amount of plastic pollution entering the oceans have been revised up to 11 million tons, and that number is expected to triple by 2040.

The North Atlantic right whale is now listed as critically endangered, methane emissions are rising and scientists discover ‘Vantablack’ fish.

Fish are under threat as the world faces a critical climate threshold. How spreading crushed rocks on fields could help, plus a new microplastic study in eastern Canada.

Microplastics are discovered in fruit and vegetables, dolphins learn a new trick and have scientists solved the problem of sargassum seaweed blooms?

Studying the sound of narwhals, the fastest eyes in the ocean, a new way of saving whales and does Pluto have a subsurface ocean filled with life?

How sea otters benefit coastal ecosystems, how a new liquid-air battery could help reduce emissions, and how to tackle the largest ever oil spill in the Arctic.

Plastic rain, dead zones, marine protections and Dr. Kathy Sullivan – the first person to walk in space and dive to the deepest part of the ocean.

The slow but steady recovery of sea turtles, how global heating is changing the deep oceans and is this the most dangerous job on the oceans?

Why is Maine going from lobster fishing to kelp farming? Is Antarctica really turning green? And how much are whales worth? We have answers.

We take a look at how the ongoing pandemic is influencing everything from plastic pollution and fishing patterns to meat consumption and green energy.

Bioluminescent waves in California, the hidden world of undersea microbes and a new jet engine powered by electricity instead of fossil fuels.

A new study finds that plastics collect in deep sea hotspots, which are often formed by underwater avalanches.

In the next decade, climate change could result in the abrupt collapse of ocean ecosystems across the planet.

A landmark new paper outlines a pathway for the United Nations to establish a network of marine protected areas across the high seas.

A special “All Good News” edition of our weekly briefing, for a world in need of positive stories.

Coal plants are down, wind power is up and there’s a new plastic-eating bacteria – but the Great Barrier Reef is in big trouble.