Earth

More Stories in Earth

  1. Climate

    Green energy is cheaper than fossil fuels, a new study finds

    Switching over to clean, renewable power — and away from fossil fuels — could save trillions of dollars by 2050, a new study finds.

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  2. Climate

    Explainer: What is decarbonization?

    Lowering carbon levels in our atmosphere to stabilize the climate may start with switching from fossil fuels to greener energy sources.

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  3. Chemistry

    Explainer: All about carbon dioxide

    Animals and other life on Earth exhale carbon dioxide, which plants use for photosynthesis. But too much of this gas can perturb Earth’s climate.

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  4. Environment

    Microplastic pollution aids viruses and prolongs their infectivity

    The tiny plastic bits give these germs safe havens. That protection seems to increase as the plastic ages and breaks into ever smaller pieces.

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  5. Physics

    Explainer: Radiation and radioactive decay

    Like clockwork, radioactive forms of some elements shed parts of themselves as they attempt to become nonradioactive.

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  6. Physics

    Explainer: Radioactive dating helps solve mysteries

    Knowing the decay rate of radioactive elements can help date ancient fossils and other artifacts.

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  7. Earth

    Fossil-fuel use is confusing some carbon-dating measurements

    Carbon-14 dating of recent artifacts will soon give scientists confusing results. That’s another price society pays for its reliance on fossil fuels.

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  8. Climate

    Greenland’s inland ice is melting far faster than anyone thought

    Inland melting of the Northeast Greenland Ice Stream is accelerating — and may contribute far more to sea level rise than earlier estimates suggested.

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  9. Animals

    Study finds big drop in animal populations since 1970

    But the same thing is not happening throughout the kingdom. For instance, more than half of vertebrate populations are stable or increasing.

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