HS-LS2-7

Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.

More Stories in HS-LS2-7

  1. Animals

    Let’s learn about amphibians

    Amphibians are named after the Greek word for “double life” because many transform from water dwellers to landlubbers as they grow up.

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  2. Plants

    Electric shocks act like vaccines to protect plants from viruses

    To protect crops against viruses in their home country of Taiwan, two teens invented a novel approach to fight blights.

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  3. Chemistry

    Let’s learn about cellulose

    The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.

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  4. Environment

    Ponds made to control floods can spew climate-warming gases, study finds

    Younger stormwater ponds can release more carbon in gases than they absorb, a study finds. That could aggravate global warming.

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  5. Life

    Explainer: What is an endangered species?

    Threats such as climate change and habitat loss can put species at risk of going extinct. Different words describe that risk.

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  6. Environment

    Bees and butterflies struggle to find flowers in polluted air

    Emissions from cars and trucks make it harder for insects to find flowers. That in turn reduces flower visits and pollination, a new study finds.

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  7. Life

    Living mysteries: Why teeny-weeny tardigrades are tough as nails

    Tardigrades often live in cool, damp moss. Their cushy life has somehow prepared them to survive the lethal radiation of outer space.

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  8. Environment

    Recycling a climate-warming gas could make ‘greener’ farmed fish

    Instead of warming the climate, methane gas can be collected to help farmers. Along the way, it may also save some fish.

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  9. Life

    Explainer: What is an invasive species?

    These foreign organisms hitchhike, spread widely and stir up trouble in native ecosystems.

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