Earth's Atmosphere Levels

CO2 levels rose by a record amount in 2024

CO2 levels in Earth's atmosphere jumped by a record amount in 2024

The global average concentration of CO2 surged by 3.5 parts per million to reach 423.9 ppm last year, fuelling worries that the planet’s ability to soak up excess carbon is weakening

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CO2 levels reach record new high, locking in more global warming

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Earth's Carbon Dioxide Levels Reach Record High

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Carbon dioxide in atmosphere reaches new high, U.N. report says

Carbon dioxide levels in the Earth's atmosphere reached a new record high in 2024, the World Meteorological Organization said ...

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Earth's oxygen boom: How nickel and urea in early oceans shaped microbial life and set the stage

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the ...

Smithsonian Magazine

Dinosaur Teeth Provide Key Clues to Earth’s Climate Past, Revealing High Levels of Carbon Dioxide

Researchers investigated the Mesozoic Era's atmosphere and vegetation by studying oxygen isotopes in dinosaur tooth enamel. This is a replica of a Stan™ T. rex tooth. Photograph: Thomas Tütken.

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