Earth

  1. Earth

    Froggie Needs a Name – and Help

    To help raise awareness about the plight of frogs and toads, which are disappearing globally, Amphibian Ark is selling formal naming rights to an unusual frog.

    By
  2. Climate

    Boreal forests shift north

    As forests move northward and to higher elevations, they alter ecosystems and threaten to further heat the Arctic's already warming climate.

    By
  3. Animals

    Polar bears listed

    Polar bear declared "threatened," but Secretary limits decision's impact.

    By
  4. Earth

    Climate clues in ice

    A kilometers-long ice core from Antarctica has been recording climate information for the past 800,000 years and has revealed a three millennia–long period when carbon dioxide levels in the air were lower than any previously measured.

    By
  5. Life

    Just ain’t natural

    Monster data crunch strengthens case that climate is disrupted.

    By
  6. Health & Medicine

    Pollution and blood clots

    Inhaling tiny pollution particles, even at concentrations allowed in urban air, appears to increase the risk that an individual’s veins will develop potentially lethal blood clots.

    By
  7. Earth

    Emissions head north

    When it comes to Arctic air, various regions of the Northern Hemisphere are equal opportunity polluters. Even some subtropical countries in southern Asia get into the act.

    By
  8. Humans

    Scientific Interference: Complaints At EPA

    Results from a survey of more than 1,500 EPA scientists suggest a systematic attack on scientific integrity within that agency.

    By
  9. Climate

    A little drier every day

    The Sahara, one of the hottest and driest regions on Earth, gradually became arid over a period of centuries, a finding that contradicts many previous studies.

    By
  10. Life

    Risky nests

    Invasive species misleads birds picking a home.

    By
  11. Health & Medicine

    Perchlorate: A Saga Continues

    Perchlorate is not yet a household word in many parts of the country. But it may becomes one if Sen. Barbara Boxer has her way. Perchlorate – an ingredient in solid rocket fuel, fireworks, flares and explosives – taints drinking-water supplies around the nation, not to mention plenty of foods. In animal tests, the pollutant […]

    By
  12. Life

    Brittle arms lose muscle

    In lab simulations of future ocean conditions, brittle stars grow extra-calcified but puny arms.

    By