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Lake Tahoe’s best clarity in 40 years is the work of this ‘natural clean-up crew’

Scientists attribute the ‘unprecedented’ visibility of the water body to a boom in the population of zooplankton.

Nike and Puma will stop using kangaroo leather in soccer shoes

Nike and Puma, under pressure from animal rights activists, will stop using "k-leather." Ecologists say kangaroos are suffering worse deaths through climate change.

Coral reefs are dying, but there’s a tiny bit of good news about what happens when they’re gone

The seaweed that often takes over reefs may at least help the food systems that count on the reef to keep functioning.

What scientists learned about caribou from a new collar camera study

Caribou move so far and so fast over the landscape that it is hard for people to know exactly what and when they’re eating.

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The lessons for British Columbia in Alaska’s epic Bristol Bay sockeye run

Experts on both sides of the U.S.-Canada border are wondering if the six uninterrupted river basins of the Bristol Bay watershed — free of fish farms and hatcheries but currently threatened by the proposed Pebble mine — might hold key insights for salmon populations dwindling all across the province of B.C.

 Alaskan migrating salmon waters

On the water in Alaska, Where salmon fishing dreams live on

Each summer, salmon begin their journey back to the rivers where they were spawned. Alaskan fishermen, along with whales, eagles and bears, share in the abundance.
Insect populations suffering

Insect populations suffering death by 1,000 cuts, say scientists

'Frightening' global decline is 'tearing apart the tapestry of life', with climate crisis a critical concern.

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