Leaders | Of clouds and Crutzen

Global warming is speeding up. Another reason to think about geoengineering

Reducing sulphur emissions saves lives. But it could also be hastening planetary warming

The rising Earth is about five degrees above the lunar horizon.
Photograph: NASA

SEEN FROM afar—as it first was, by human eyes, on Christmas Eve 1968—Earth is a wonder. When the astronauts of Apollo 8 saw their bright, cloud-girdled home rise over the barren lunar horizon they recognised at once that it was dynamic, beautiful and exceptional: something to be cared for.

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This article appeared in the Leaders section of the print edition under the headline “Of clouds and Crutzen”

From the December 21st 2024 edition

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Friedrich Merz speaks during a press conference on planned major investments, in Berlin, Germany on March 4th 2025

A fantastic start for Friedrich Merz

The incoming chancellor signals massive increases in defence and infrastructure spending

A Team Dover Airman loads weapons cargo bound for Ukraine onto a C-17 Globemaster III during a security assistance mission at Dover Air Force Base, Delaware

The lesson from Trump’s Ukrainian weapons freeze

And the grim choice facing Volodymyr Zelensky


Ukrainian President Zelensky Visits Downing Street Ahead Of European Leaders Summit

Western leaders must seize the moment to make Europe safe

As they meet in London, Vladimir Putin will sense weakness


Prabowo Subianto takes a chainsaw to Indonesia’s budget

The result? More money for the president’s boondoggles

Inheriting is becoming nearly as important as working

More wealth means more money for baby-boomers to pass on. That is dangerous for capitalism and society