Megan Sever

All Stories by Megan Sever

  1. firefighter in California wildfires
    Earth

    Technology and natural hazards clash to create ‘natech’ disasters

    Hurricanes, wildfires and nature’s other extreme events are increasingly causing damage to infrastructure crucial for safety and communication.

  2. a handful of invasive Asian jumping worms
    Environment

    Invasive jumping worms damage U.S. soil and threaten forests

    Also known as snake worms, these writhing wrigglers turn forest leaf litter into bare ground, changing soil composition and ecosystems as they go.

  3. Earth about to be hit by asteroid
    Earth

    An asteroid impact, not volcanism, may have made Earth unlivable for dinosaurs

    New simulations add to growing evidence that an asteroid strike, rather than the Deccan Traps eruptions, caused the end-Cretaceous extinction.

  4. Indonesia forest
    Environment

    How giving cash to poor families may also save trees in Indonesia

    Indonesia’s poverty reduction program also reduced deforestation by 30 percent, researchers say.

  5. Kilauea volcano
    Earth

    Did heavy rain trigger Kilauea’s eruption? It’s complicated

    A study suggests the Hawaiian volcano’s outpouring of lava was triggered by heavy rainfall in the months preceding. But some scientists are skeptical.

  6. flooded street
    Climate

    Economic costs of rising seas will be steeper than we thought, unless we prepare

    A study estimates 4 percent in annual global GDP losses by 2100 due to sea level rise, unless people curb emissions and prepare for flood risks.

  7. Pyrocumulonimbus clouds
    Earth

    The worst wildfires can send smoke high enough to affect the ozone layer

    Pyrocumulonimbus clouds can send soot and other damaging particles 23 kilometers into the air