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. Chemistry

    New process can transform urban CO2 pollution into a resource

    Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.

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  2. Environment

    ‘Mining’ cryptocurrencies pollutes the real world

    Bitcoin and other cryptocurrencies exist only online. Yet the environmental impacts of their networks affect the real world.

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  3. Environment

    How we choose to pay has hidden costs for the planet

    Whether cash or credit, phone apps or digital currencies — all forms of payment have behind-the-scenes costs. And these can vary dramatically.

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  4. 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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  5. Chemistry

    Could reusable ‘jelly ice’ cubes replace regular ice?

    These hydrogel “jelly ice cubes” are made mostly of gelatin and water. They won’t melt, even when thawed, and may provide new food cooling options.

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  6. Microbes

    Genes point to how some bacteria can gobble up electricity

    A new study shows how some microbes absorb and release electrons — a trait that may point to new fuels or ways to store energy.

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  7. Earth

    Analyze This: Nutrients from sewage may harm coastal ecosystems

    A new model suggests that 58 percent of coral reefs and 88 percent of seagrass beds are exposed to excess nitrogen from wastewater.

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  8. Chemistry

    Chemists win Nobel Prize for faster, cleaner way of making molecules

    Both scientists independently came up with new process — asymmetric organocatalysis. That name may be a mouthful, but it’s not that hard to understand.

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  9. Earth

    Stores and malls buy into ponds and rain gardens for flood control

    An extra bonus: These rainy-day ponds clean up that dirty water running off parking lots.

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