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Environment

Trees have an extra climate benefit thanks to methane-eating microbes

Methane, a potent greenhouse gas, is converted to CO2 by microbes in tree bark, meaning trees are even better for the climate than we thought

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Environment

Cleaner ship emissions may warm the planet far faster than expected

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Environment

Wildfire smoke may be deadliest effect of climate change in US

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Environment

Dust clouds from the Sahara are reaching Europe more frequently

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Earth

Eerie green sunsets after 1883 Krakatoa eruption finally explained

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Antarctica

Environment

Rising greenhouse gases have cooling effect on Antarctica’s atmosphere

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Physics

Quantum quirk explains why carbon dioxide causes global warming

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Environment

Slight flight altitude changes could slash aviation's climate impact

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?Goleuadau?r Gogledd? ? Mathew Browne Wales, United Kingdom The title of this image, ?Goleuadau?r Gogledd,? translates to ?Northern Lights? in Welsh. Finding the accurate translation proved challenging, as this phrase isn?t commonly used in everyday conversations here in South Wales. Witnessing the aurora borealis this far south is a rare occurrence, and capturing it at an iconic location like Paxton?s Tower adds to its uniqueness. Paxton?s Tower, a hilltop folly with a history spanning over 200 years, overlooks the picturesque Carmarthenshire countryside. For over an hour, the horizon beyond the clouds emitted hues of green and pink. However, for a brief yet magical moment, the sky came alive with impressive pink pillars, visible to the naked eye

Earth

See a dazzling collection of the year's best northern lights pictures

Regulars

PALMS instrument

Earth

Dead spacecraft are seeding the upper atmosphere with metal

The stratosphere seems to be full of aluminium particles and other metals that come from spacecraft burning up in the atmosphere, and those particles could mess up polar clouds

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Environment

Hydrogen is a green fuel despite small warming effect from pipe leaks

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Environment

High-flying microplastics could pose a threat to the ozone layer

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Environment

Cleaner shipping emissions may have warmed the planet – but only a bit

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Space

We are finally closing in on the cosmic origins of the “OMG particle”

Features