Migratory river fish populations plunge 76% in past 50 years

Decline in species such as salmon harms entire ecosystems and livelihoods, say researchers.

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EPA scales back requirements for pesticide testing on fish

The EPA will allow pesticide producers to forego certain tests which can indicate whether chemicals accumulate in fish and enter the food chain.


The productive power of poop

Referred to in polite company as a "marine subsidy," otter feces are a key fertilizer on small islands.


The sound of icebergs melting: my journey into the Antarctic

Not long after Antarctica recorded some of its highest-ever temperatures, I joined a group of scientists studying how human activity is transforming the continent.


University of Michigan study finds importance of individual fish urine

A study led by the University of Michigan finds the "power of fish pee" and how individual fish are promoting healthy ecosystems.

We’ve been systematically underestimating sea otters’ historical habitat

Estuaries once harbored thousands of otters, and now conservationists want to extend recovery efforts to California's largest estuary: San Francisco Bay.


The macabre science of mass animal die-offs

Researchers are replicating “mass mortality events” with pig carcasses. The ecological consequences could hint at what's happening in Australia right now.

Mayfly numbers drop by half since 2012, threatening Midwestern food chain

Mayflies, which form swarms in the billions that are visible on weather radar, are in steep decline, mirroring the plight of insects worldwide.

Skinny whales

The mystery behind emaciated ‘zombie whales’ stranding on the West Coast in 2019 is still unsolved, and there are troubling signs for 2020.

Microplastics may be a macro problem for the US Great Plains, too, study finds

A new study has found microplastics in every freshwater body tested in Kansas.


Elizabeth Warren wants to be the oceans president

The candidate unveiled a plan for addressing climate change, pollution, and good jobs at sea.


Arctic Report Card 2019: extreme ice loss, dying species as global warming worsens

For indigenous communities on the Bering Sea, a way of life is at risk as climate change hits fish populations and ricochets through ecosystems.

The Sitka tribe's struggle to save Alaskan herring

Dwindling numbers of the fish have led indigenous people to sue the Alaskan government for failing to protect the fishery.


Plastic waste on polar bears’ menu a growing problem

Plastic waste makes up a quarter of the diet for polar bears, says Ivan Mizin, research director of Russian Arctic national park.
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Veeps and the environment

On the environment, Vice President Mike Pence and Sen. Kamala Harris are worlds apart. But don't expect it to be front and center in the campaigning.

Organic diets quickly reduce the amount of glyphosate in people’s bodies

A new study found levels of the widespread herbicide and its breakdown products reduced, on average, more than 70 percent in both adults and children after just six days of eating organic.

Stranded whales and dolphins offer a snapshot of ocean contamination

"Many of the chemical profiles that we see in cetaceans are similar to the types of chemical profiles that we see in humans who live in those coastal areas."

Cutting forests and disturbing natural habitats increases our risk of wildlife diseases

A new study found that animals known to carry harmful diseases such as the novel coronavirus are more common in landscapes intensively used by people.

Cutting edge of science

An exclusive look at important research just over the horizon that promises to impact our health and the environment

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