HS-ESS3-4

Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.

More Stories in HS-ESS3-4

  1. Chemistry

    Air pollution can make it harder for pollinators to find flowers

    Pollutants that build up in night air can break down the scents that attract pollinating hawkmoths to primrose blooms, disrupting their pollination.

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  2. Chemistry

    Turning jeans blue with sunlight might help the environment

    When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.

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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. Environment

    New ultrathin materials can pull climate-warming CO2 from the air

    To slow global warming, we’ll need help from CO2-trapping materials. Enter MXenes. They’re strong and reactive — and they love to eat up CO2.

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