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Earth running towards ‘Hothouse’ state, not seen for 50 million years, shows epic new climate records



66 million years ago, after a massive asteroid hit the Earth with the explosive energy of approx 1 billion atomic bombs, a casing of ash, dust, and evaporated rock covered the sky and slowly rained down on the planet. When plant and animal species died a lot, small underwater amoebas called forams continued to reproduce and built robust shells of calcium and other deep-sea minerals, just as they had done for hundreds of millions of years. When each foram inevitably died – powdered in seabed sediment – they kept a small piece of Earth’s ancient history alive in their fossil shells.

For decades, scientists have studied these shells and found traces of the ancient Earth̵

7;s ocean temperature, its carbon budget, and the composition of minerals that spill through the air and oceans. Now in a new study published today (September 10) in the journal Science, scientists have analyzed the chemical elements in thousands of foram samples to build the most detailed climate register of the earth ever – and it reveals how serious our current climate situation is.


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