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


Jared Kushner Has Big Plans for Delta of Europe’s Last Wild River

Albania’s Vjosë River is known as Europe’s last wild river, and its pristine delta is a haven for migratory birds. As plans for luxury developments there — spearheaded by Donald Trump’s son-in-law Jared Kushner — move ahead, conservationists are sounding the alarm.

By Fred Pearce

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The Pinyon Plain uranium mine, which recently opened in Arizona.


A Nuclear Power Revival Is Sparking a Surge in Uranium Mining

A push for nuclear power is fueling demand for uranium, spurring the opening of new mines. The industry says new technologies will eliminate pollution from uranium mining, but its toxic legacy, particularly in the U.S. Southwest, leaves many wary of an incipient mining boom.

By Jim Robbins

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