Scientists are increasingly worried that a vast system of ocean circulation, which delivers warmth to northern Europe and impacts climate globally, is at risk of collapse. Mounting evidence suggests it may be nearing a tipping point, though the research is far from certain.

By Nicola Jones

ANALYSIS

A More Troubling Picture of Sea Level Rise Is Coming into View

Scientists have uncovered a "blind spot" in the research on rising seas, revealing that tens of millions of people thought safe from coastal flooding are at risk of inundation. Across much of the world, sea levels are higher than previously assumed and land is sinking faster.

By Fred Pearce

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Wildfire smoke obscures the U.S. Capitol in June 2023.

OPINION

Trying Times: Keeping the Faith as Environmental Gains Are Lost

For people who came of age in the 1970s, it is especially painful to witness the Trump administration’s relentless rollback of hard-won environmental progress. But as the assaults on clean air and water, endangered species, and more mount, a noted ecologist finds reasons for hope.

By Carl Safina

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