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Environment Apr 23, 2024

Beyond higher temperatures: Preparing for national security risks posed by climate change

When talk turns to climate change, certain images pop to mind—maybe polar bears on ever-shrinking ice floes, coral reefs drained of color, or more powerful hurricanes hitting the coast.

Other Apr 13, 2024

Saturday Citations: Listening to bird dreams, securing qubits, imagining impossible billiards

It's Saturday, which means that in a universe where the arrow of time moves backward, people have to go to work tomorrow. In such a hypothetical universe, Garfield hates Fridays—tough to imagine. This week, we looked at ...

Earth Sciences Apr 4, 2024

Climate engineering carries serious national security risks—countries facing extreme heat may try it anyway

The historic Paris climate agreement started a mantra from developing countries: "1.5 to stay alive." It refers to the international aim to keep global warming under 1.5 degrees Celsius (2.8 Fahrenheit) compared with preindustrial ...

Earth Sciences Apr 3, 2024

Why artificial submarine curtains won't save West Antarctica's retreating glaciers

Some researchers have recently proposed the construction of artificial structures—submarine curtains or walls—to stop the warming ocean from getting to the most rapidly melting glaciers in West Antarctica.