Carbon dioxide

Exoplanet atmospheres are the next clue to finding life on planets orbiting distant stars

Exoplanet atmospheres are the next clue to finding life on planets orbiting distant stars

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Methane pollution still rises, but UN reports hope for near future reductions

Methane pollution still rises, but UN reports hope for near future reductions

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BELEM, Brazil (AP) — Global efforts to curb emissions of the powerful but short-lived heat-trapping gas methane are yielding about ...

Relentless rise in carbon pollution from fossil fuels slightly dampens climate-fighting hopes

Relentless rise in carbon pollution from fossil fuels slightly dampens climate-fighting hopes

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BELEM, Brazil (AP) — In each of the last few years, scientists, analysts and officials had hoped this would be ...

We need to accelerate the fight

We need to accelerate the fight

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UN climate talks begin Monday at a meeting on the edge of the Brazilian Amazon, with leaders insisting on urgency, ...

Martian ‘Linear Dune Gullies’ are Created by Sliding Blocks of Carbon Dioxide Ice, Researchers Find

Martian ‘Linear Dune Gullies’ are Created by Sliding Blocks of Carbon Dioxide Ice, Researchers Find

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Some dune fields on Mars have parallel channels called linear dune gullies. Contrary to their name, these gullies are often ...