Earth and Human Activity

  1. Earth

    Experiment: Can plants stop soil erosion?

    Soil erosion washes pollutants into streams and rivers — but plants may help limit that.

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  2. Earth

    Many natural underground stores of freshwater are shrinking

    A lot of these aquifers are quickly disappearing due to climate change and overuse. Fortunately, there is growth in some of the world’s major aquifers.

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  3. Plants

    This urban gardener is mimicking nature to create healthier plants

    Urban garden specialist Kwesi Joseph is experimenting with rock dust and plants. He also helps New York City community and school gardens with gardening problems.

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  4. Environment

    Scientists Say: Carbon capture

    Carbon capture technology tackles climate change by stomping out carbon dioxide at the source.

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  5. Environment

    Bottled water hosts many thousands of nano-sized plastic bits

    The finding emerges from tests of a new tool that identified smaller-than-ever tiny plastic bits in three brands of bottled water.

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  6. Oceans

    Analyze This: Climate change may worsen the spread of ocean noise

    Some parts of the ocean may become five times as loud in the future.

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  7. Artificial Intelligence

    To ‘green’ AI, scientists are making it less resource-hungry

    Energy demands of ChatGPT and similar AI tools can threaten Earth’s climate. So researchers have begun redesigning how to run data centers and build AI.

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  8. Climate

    Warmer seas trigger skyrocketing ice loss in 3 Antarctic glaciers

    Destabilized by waves and vanishing sea ice, one of the glaciers lost 25 kilometers (15.5 miles) of ice in 16 months — a possible hint of worse to come.

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  9. Tech

    Balsa wood transistors could usher in ‘greener’ electronics

    Researchers in Sweden coaxed wood to conduct electricity, then used it to make a climate-friendlier building block of electronics.

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  10. Chemistry

    Pollution power? A new device turns carbon dioxide into fuel

    Scientists made a device that converts the greenhouse gas into formate. This salt can then run a fuel cell to make electricity.

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  11. Tech

    Offshore wind farms could do far more than just make clean power

    Offshore wind farms cost more than onshore ones. But their ability to make ‘green’ hydrogen and capture carbon dioxide could help this wind power pay off.

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  12. Life

    Has the Endangered Species Act saved species from extinction?

    After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.

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