HS-ESS3-2

Evaluate competing design solutions for developing, managing, and utilizing energy and mineral resources based on cost-benefit ratios.

More Stories in HS-ESS3-2

  1. Climate

    Creating less new stuff could greatly help Earth’s climate

    Instead of throwing unneeded things away, scientists recommend moving to a cycle of reducing, reusing, repairing and remaking old things into new ones.

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  2. Climate

    Eight ways you can cut your carbon footprint

    Learn how you can limit the climate-warming gases associated with what you eat, the products you buy and the energy you use.

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  3. Climate

    The world is aiming for ‘net zero’ emissions of greenhouse gases

    Nations are charting how they might ‘zero’ out their releases of climate-warming gases. Success might greatly lower the risks of climate catastrophes.

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  4. Environment

    Gas stoves can spew lots of pollution, even when they’re turned off

    A new study finds they can leak benzene and other harmful chemicals into homes, sometimes at very high levels.

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  5. Environment

    ‘Forever’ chemicals show up in students’ school uniforms

    Researchers found PFAS “forever chemicals” in kids’ school uniforms and other clothing. Studies have linked these compounds to health risks.

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  6. Plants

    No sun? No prob! A new process might soon grow plants in the dark

    Teamwork makes green-work! Collaborating scientists came up with an electrifying farming trick that could make sunlight optional.

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  7. Tech

    Scientists Say: LED

    LEDs, or light-emitting diodes, light up TV screens, traffic lights and many other devices used in daily life.

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  8. Earth

    A bold plan to save the planet turns carbon dioxide into stone

    Scientists hope that capturing carbon dioxide this way will limit both further warming of our planet and an escalation of extreme weather events.

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  9. Materials Science

    A disinfectant made from sawdust knocks out deadly microbes

    It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.

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