Earth
Arabia has been green for long spells in the past 8 million years
Ancient rocks reveal there were several humid spells in Arabia’s past, which might have given early hominins a route out of Africa long before our genus migrated
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Environment
Ancient rocks boost case for mini ice age linked to fall of Rome
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Environment
Climate experiment predicts how trees may respond to future CO2 levels
Video
Environment
The world is on track for between 1.9 and 3.7°C of warming by 2100
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Earth
The most powerful images of the natural world from 2024
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Environment
Is solar geoengineering research having its moment?
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Earth
Supersized snowflakes: A scientific quest to make enormous snow
Video
Environment
Global forecast for 2025 sees temperatures falling back below 1.5°C
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Technology
High-tech archaeology shows we aren’t the first to endure hard times
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Environment
To fix the world’s problems, we need both optimism and pessimism
Solving challenges like climate change not only requires ambitious targets, but also an honest appraisal of uncertainty and possible failure
Comment
Environment
Heatwaves are surpassing the extremes predicted by climate models
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Technology
Robot balloons are snapping centimetre-resolution photos of the US
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Technology
Google Street View helps map how 600,000 trees grow down to the limb
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Earth
El Niño pattern can bring wet weather to UK one year later
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