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. Environment

    Laundry tweaks can help clothes last longer and pollute less

    Clothes washed in cooler water and for less time shed less dye and fewer fibers, a new study finds. That’s better for clothes — and the environment.

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  2. Chemistry

    Converting trash to valuable graphene in a flash

    Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.

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  3. Animals

    Drones might one day capture a dolphin’s breath in midair

    High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.

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  4. Earth

    Help for a world drowning in microplastics

    Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.

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  5. Oceans

    Healthy coral reef sounds attract fish searching for a home

    Playing the sounds of a healthy reef can help attract fish to dying corals, helping rebuild their community.

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  6. Climate

    5 things to know about the climate-saving benefits of tree planting

    A recent analysis of the benefits of massive efforts to plant more trees triggered a firestorm of controversy.

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  7. Environment

    Don’t toss that vape!

    Plenty of people talk about potential risks of vaping. But this teen habit also saddles schools with lots of trash — some of it quite toxic.

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