At the startup Running Tide's facility in Iceland, wood chips are loaded onto a barge for disposal at sea.

For billions of years, the oceans have been absorbing CO2 from the atmosphere. Now, to boost that drawdown, startup companies and researchers are experimenting with ‘marine carbon dioxide removal’ by altering the chemistry of the ocean and sinking biomass to the seafloor.

By Andrew S. Lewis

OPINION

Despite Official Vote, the Evidence of the Anthropocene Is Clear

When a governing body of the International Union of Geological Sciences voted down a proposal to name a new epoch in Earth’s history, it ignored conclusive evidence that for the first time, a single species — humans — has fundamentally altered the planet.

By Anthony Barnosky and Mary Ellen Hannibal

E360 Digest

Digest Archive →

Never miss an article. Subscribe to the E360 Newsletter for weekly updates delivered to your inbox. Sign Up.

A common octopus off the coast of Kornati, Croatia.

Oceans

Octopuses Are Highly Intelligent. Should They Be Farmed for Food?

A Spanish company is aiming to factory farm octopuses for their meat, contending that it would help conserve the creatures in the wild. But critics argue that caging these highly sensitive mollusks, whose intelligence science is still revealing, would be cruel and inhumane.

By Christian Schwägerl

E360 Topics

All Features →