HS-ESS2-2

Analyze geoscience data to make the claim that one change to Earth's surface can create feedbacks that cause changes to other Earth systems.

  1. Earth

    Scientists Say: Magma and lava

    The word magma refers to molten rock deep inside Earth. That rock is called lava when it reaches Earth’s surface.

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  2. Environment

    Warming cities may see more rain — and frequent flooding

    Scientists are seeking to understand why and how to mop up excess precipitation.

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  3. Earth

    Let’s learn about lightning

    Around 100 times a second, every hour of every day, lightning strikes somewhere on Earth. It’s beautiful — and deadly.

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  4. Environment

    COVID-19 cut pollution in 2020, warming the atmosphere

    Pandemic-related lockdowns briefly warmed the planet. The reason: The cleaner air carried fewer planet-cooling aerosols.

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  5. 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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  6. Climate

    Can wildfires cool the climate?

    Severe wildfires are becoming more common. Science is showing that the tiny particles they release into the air can alter Earth’s temperature — sometimes cooling it.

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  7. Earth

    Explainer: What are aerosols?

    We may not see them, but tiny particles and droplets cloud the air, affecting its properties. Some may be pollutants, others all-natural products.

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  8. Environment

    Surprising long-haul dust and tar are melting high glaciers

    Dust and tar blown onto high mountains, like the Himalayas, boost the melting of snow and ice far more than scientists had realized. Here’s why.

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  9. A dirty and growing problem: Too few toilets

    As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.

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  10. Ecosystems

    Soggy coastal soils? Here’s why ecologists love them

    Coastal wetlands can protect our shores from erosion, flooding and rising sea levels.

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  11. Climate

    Siberian heat wave that caused an oil spill made more likely by climate change

    The six-month heat wave in Siberia during the first half of 2020 would not have happened without human-caused climate change, researchers find.

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  12. Environment

    Australian wildfires pumped smoke to record heights

    Wildfires in Australia in late December and early January spurred an unusual smoke plume that still hasn’t fully dispersed.

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