MS-ESS3-4

Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth's systems.

  1. 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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  2. 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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  3. 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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  4. Environment

    Washing your jeans too much might pose risks to the environment

    Jeans shed thousands of denim fibers in every wash. Those fibers, and the chemicals used to treat them, now are showing up in even the Arctic Ocean.

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  5. Animals

    Whale blowholes don’t keep out seawater

    Whales’ blowholes aren’t as protective as scientists had thought. They not only can let in water but also pollutants.

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  6. Environment

    Fossil fuels appear to release far more methane than we thought

    Ice cores reveal less methane than expected. This suggests today’s fossil fuel industry is responsible for nearly all of the methane emissions from natural sources today.

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  7. Science & Society

    CO2 emissions have nosedived as COVID-19 keeps people home

    The COVID-19 pandemic restricted travel that can pollute the air. By April, travel-related daily emissions of greenhouse gases was back to 2006 levels.

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  8. 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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  9. Life

    A new spin on lab-grown meat

    A technique inspired by how cotton candy is spun could help produce lab-grown meat at a lower cost and on a bigger scale.

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  10. Chemistry

    Explainer: CO2 and other greenhouse gases

    Carbon dioxide is just one of several chemicals that contribute to the greenhouse effect. Nitrous oxide, methane and CFCs are other big contributors.

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  11. Climate

    Analyze This: Climate change could make food less healthy

    Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.

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  12. Life

    Cities drive animals and plants to evolve

    Biologists are finding that some species have used genetic changes to evolve — adapt — to the pollution and other stressors that they encounter in cities.

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