Earth and Human Activity

  1. Earth

    This long-buried glacier ice is at least 770,000 years old

    Thanks to climate change, thawing permafrost in the Canadian Arctic has revealed this glacier remnant that could be more than a million years old.

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  2. Chemistry

    Some bacteria in wastewater can break down a common plastic

    These microbes can break the carbon bonds that make PET plastics so hard to degrade. This type of plastic makes up almost one-third of plastic waste.

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  3. Climate

    2024 set new record for hottest year, passing a dangerous heat threshold

    For the first year in recorded history, Earth’s average temperature topped 1.5 degrees Celsius above preindustrial levels.

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  4. Earth

    Scientists Say: Avulsion

    As rivers seek out easier routes to the sea, path reroutes can transform our world. This is ‘avulsion’ refers to in geology. In medicine, the word can describe injuries.

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  5. Climate

    Why is Los Angeles on fire?

    High heat and little rain have extended wildfire season to year-round in some parts of California. Fast winds and dry conditions are fueling L.A.’s current infernos.

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  6. Materials Science

    This teen materials scientist wants to save the Great Salt Lake

    Thermo Fisher JIC finalist Sophia Zhang investigated hydrogels that might conserve water in farming — a big stressor of the lake’s water supply.

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  7. Earth

    A landslide in a Greenland fjord echoed around Earth for 9 days

    Warming permafrost and glacial melt destabilized a fragile mountain slope, leading to a landslide-triggered tsunami in a fjord. Is this a sign of more to come?

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  8. Animals

    Giant rat border agents could help put a stop to wildlife poaching

    African giant pouched rats have been trained to ferret out elephant ivory, pangolin scales and more. They could be put to work preventing smuggling.

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  9. Earth

    Earthquakes upped the death toll at Pompeii

    Broken bodies found at a house in Pompeii suggest that earthquakes played a role in the legendary tragedy.

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  10. Climate

    An ancient log shows how burying wood can fight climate change

    A blanket of clay soil helped the wood hold onto the carbon it had absorbed — for thousands of years.

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  11. Earth

    Meet the sneaky and surprisingly dangerous squall-line tornado

    These destructive, radar-dodging twisters often form at night. Emerging data from the U.S. Southeast might soon make forecasting the tornadoes possible.

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  12. Climate

    Let’s learn about how much climate change is to blame for extreme weather

    Scientists can find out whether a natural disaster was more frequent or severe due to human-caused climate change. Here’s how.

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