HS-ESS3-4

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

  1. Tech

    Greening your digital life

    The less electricity you use while playing video games or using your devices, the less impact you’ll have on climate change.

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  2. Agriculture

    Healthy soils are life-giving black gold

    Scientists explain why everyone needs to value the soils beneath our feet — and why we should not view them as dirt.

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  3. Environment

    What you can do to improve soils

    Soils are the life-sustaining structures under our feet. Here are some tips for keeping soils healthy. First rule of thumb: Give more than you take.

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  4. Environment

    Unmasking the pandemic’s pollution problem

    Discarding all the materials people use to protect themselves from COVID-19 has created a growing environmental problem.

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  5. Ecosystems

    Can people protect as much space as nature needs?

    To save biodiversity, nations are drafting a plan to protect 30 percent of Earth by 2030. Up for debate is how best to do that.

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  6. Chemistry

    A soil-based ‘concrete’ could make buildings green, even on Mars

    A new soil-based material offers an alternative to concrete for 3-D printing environmentally friendly buildings.

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  7. Environment

    Why today’s ‘fast fashions’ can be bad for the planet

    The constant buy-wear-toss cycle of fast fashion isn’t sustainable. It hurts the environment and takes a toll on our wallets, too.

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  8. Environment

    Old clothes soon may be recycled, not trashed

    One day, clothes may be recycled almost as much as plastics and glass are now. See how chemists are moving us in that direction.

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  9. Chemistry

    Here’s how to make flip-flops biodegradable

    Innovative flip-flops made from an algae-based plastic decompose in soil or compost. The comfy shoes also avoid use of fossil fuels.

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  10. Animals

    Around the world, birds are in crisis

    Human activities around the world are threatening bird species. Numbers of even some of the most common species are starting to fall.

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  11. Environment

    Polluting microplastics harm both animals and ecosystems

    Researchers are beginning to uncover the real-world impacts of polluting microplastic bits on animals and the ecosystems they inhabit.

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  12. Animals

    Learning what stresses queen bees could save their hives

    Beehives often die off after the queen gets too stressed to make enough babies. New tests could identify what stressed her — and point to solutions.

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