Carbon release and global warming now and in the ancient past


Core shed in Spitsbergen

Core shed in Spitsbergen. Our findings suggest that humankind may be causing atmospheric carbon dioxide to increase at rates never previously seen on Earth. Dr Ian Harding June 7, 2011

The present rate of greenhouse carbon dioxide emissions through fossil fuel burning is higher than that associated with an ancient episode of severe global warming, according to new research. The findings are published online this week by the journal Nature Geoscience

Around 55.9 million years ago, the Earth experienced a period of intense global warming known as the Palaeocene–Eocene Thermal Maximum (PETM), which lasted for around 170,000 years. During its main phase, average annual temperatures rose by around 5°C.

 

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One Response to Carbon release and global warming now and in the ancient past

  1. Pingback: What You Should Know About Global Warming

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