Climate

  1. Environment

    Does lightning sculpt mountains?

    A new study sparks debate about how much rubble on a mountainside has been blasted loose by powerful bolts from the sky.

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  2. Climate

    Mapping our carbon footprints

    Population density can determine how much of an impact modern communities have on the climate.

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  3. Climate

    The certainty of climate change

    How sure are scientists that people are to blame for global warming? “Extremely likely,” says an international panel of climate change researchers in a new report.

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  4. Climate

    Climate change: The long reach

    Scientists who study the environment to better gauge Earth’s future climate now argue that current changes may not reverse for a very long time.

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  5. Earth

    Nature’s coast guards

    Barrier islands aren’t just for beach vacations — they protect coasts from storms and flooding.

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  6. Climate

    Tornado caught storm chasers

    On May 31, 55-year-old Tim Samaras died chasing tornadoes.

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  7. Climate

    Major twister hits Oklahoma

    Its speed, which largely determines the damage it causes, is still unknown.

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  8. Climate

    Explainer: Why a tornado forms

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

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  9. Environment

    Fungi as carbon keepers

    A common type of fungus stores most of a forest floor’s carbon underground.

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  10. Ecosystems

    Predators as climate helpers

    In lakes and streams, fish and insects can help protect aquatic plants that gobble up greenhouse gas.

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  11. Climate

    Explainer: El Niño and La Niña

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  12. Climate

    Climate’s troublesome kids

    The recurring climate events El Niño and La Niña trigger long-lived changes to weather around the world.

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