HS-ESS2-4

Use a model to describe how variations in the flow of energy into and out of Earth systems result in changes in climate.

  1. Climate

    Cosmic rays offer clues about lightning

    Space particles called cosmic rays pelt Earth. Scientists are using the rain of these particles to probe how lightning forms.

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  2. Climate

    Arctic warming bolsters summer heat

    Rapid warming in the Arctic is sapping summer storms of their power to cool. That worsens heat waves across the Northern Hemisphere.

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  3. Climate

    Scientists confirm ‘greenhouse’ effect of human’s CO2

    Government scientists link directly, for the first time, a boost in warming at Earth’s surface to increasing levels of carbon dioxide. Much of that gas has been released by human activities, such as coal burning and gas-burning vehicles.

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  4. Climate

    Lightning strikes will surge with climate change

    Warming temperatures will lead to 50 percent more lightning strikes across the 48 U.S. states in the next century, researchers report. That increase could lead to more warming, more fires and even more deaths.

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  5. Climate

    Explainer: Why a tornado forms

    Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.

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  6. Climate

    Explainer: El Niño and La Niña

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  7. Climate

    Watching our seas rise

    Satellites, coral reefs, ancient Roman fishponds and sinking cities help us understand how humans are changing sea level.

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