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All humans and animals will die out on Earth in a billion years due to mass suffocation as oxygen levels collapse

La vida útil futura de la atmósfera rica en oxígeno de la Tierra es de aproximadamente mil millones de años

La vida útil futura de la atmósfera rica en oxígeno de la Tierra es de aproximadamente mil millones de años
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How much longer will the oxygen-rich atmosphere be sustained on Earth?

 E-Mail IMAGE: The authors of this study: Dr. Christopher Reinhard (left) and Dr. Kazumi Ozaki (right). view more  Credit: Kazumi Ozaki Earth s surface environments are highly oxygenated - from the atmosphere to the deepest reaches of the oceans, representing a hallmark of active photosynthetic biosphere. However, the fundamental timescale of the oxygen-rich atmosphere on Earth remains uncertain, particularly for the distant future. Solving this question has great ramifications not only for the future of Earth s biosphere but for the search for life on Earth-like planets beyond the solar system. A new study published in Nature Geoscience this week tackles this problem using a numerical model of biogeochemistry and climate and reveals that the future lifespan of Earth s oxygen-rich atmosphere is approximately one billion years.

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