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. Tech

    How green is your online life?

    From the manufacturing of our favorite devices to using them for social interactions, our digital lives can have a big climate impact.

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  2. Tech

    Bits of trees can make and store energy for us to use

    This cellulose and lignin, two major building blocks of trees, could lead to greener electronics.

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  3. Tech

    Bionic plants and electric algae may usher in a greener future

    Some can aid the climate by removing pollutants. Others would just avoid dirtying the environment in the first place.

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  4. Tech

    Engineers cook up a new way to tackle CO2: Make baking soda

    Engineers have found a material that can collect carbon dioxide from the air. When later mixed with water, it forms baking soda that can be shed in the sea.

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  5. Materials Science

    A new hydrogel could help pull drinking water from the air

    The salty gel absorbs more water from the air than similar gels, even in desert climates. This could provide clean water for drinking or farming.

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  6. Tech

    Gravity ‘batteries’ might help a weighty renewable-energy problem

    To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.

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  7. Tech

    New thermal ‘cloak’ keeps spaces from getting too hot or too cold

     A prototype fabric could help keep cars, buildings and other spaces cooler during heat waves while also reducing greenhouse-gas emissions.

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  8. Tech

    Horses are inspiring this roboticist to build trustworthy robots

    Computer scientist Eakta Jain is looking at human-horse interactions for ideas about how to design robots that work well with people.

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  9. Climate

    For greener toilets and air conditioning, consider saltwater

    Using saltwater would allow coastal cities to save their freshwater for drinking and to reduce their carbon footprints. Some could save money, too.

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