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Environment

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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Environment

Trees may be getting more flammable because of climate change

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Environment

California bets on iron-salt battery power to protect against wildfire

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Environment

California isn't clearing forests fast enough to tame wildfires

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US scientists rebuild climate risk map deleted from government site

Environment

US scientists rebuild climate risk map deleted from government site

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Environment

Tree scars reveal how wildfires in centuries past differed from today

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Setting fire to a million acres of California could cut smoke by half

Environment

Setting fire to a million acres of California could cut smoke by half

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Earth

California wildfires fuelled by months of unusual extreme weather

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Environment

Monster wildfires are sending more smoke into the stratosphere

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New Scientist environment reporter James Dinneen joined researchers on a descent into a cave in Oregon Caves National Monument and Preserve, part of their efforts to identify palaeofire signals in the fire-prone forests of the Pacific Northwest

Video

Searching for the future of wildfires in 2-million-year-old caves

Stalagmites formed in caves hundreds of thousands of years ago preserve a record of how fires behaved the last time Earth’s temperatures were as high as today

Video

Earth

What ancient stalagmites can tell us about life on a hotter Earth

Features

Earth

Some wildfires are growing twice as fast as they did two decades ago

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Environment

Can sensor technology stop a wildfire before it starts?

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Earth

Is North America set for another bad wildfire smoke season?

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