1. Ecosystems

    Most Bees Live Alone

    Concern about honeybee shortages has inspired new interest in bees that lead solitary lives and don't bother storing honey.

  2. Ecosystems

    Going Native: Diverse grassland plants edge out crops as biofuel

    Biofuels made from mixtures of plants native to prairies can yield more net energy than do biofuels derived from corn and soybeans.

  3. Ecosystems

    Brave Old World

    If one group of conservation biologists has its way, lions, cheetahs, elephants, and other animals that went extinct in the western United States up to 13,000 years ago might be coming home.

  4. Ecosystems

    Worthless waters

    The biological riches of the oceans will be spent within decades if current trends continue.

  5. Ecosystems

    On the Rise: Siberian lakes—Major sources of methane

    Field studies suggest that Siberian lakes are a much larger source of atmospheric methane than had been previously recognized.

  6. Ecosystems

    Bad-News Beauties

    Discarded aquarium fish are the likely source of an alien species that's breeding in the Atlantic and could threaten economically important U.S. fisheries.

  7. Ecosystems

    Madagascar’s Fantastic Forests

    Produced by WBUR in Boston to accompany a special program on Madagascar, this award-winning Web site offers a remarkably detailed look at life on this island, with a focus on the struggle to preserve Earth’s diversity of life. It includes photo galleries, audio clips, videos, maps, and much more. Go to:

  8. Ecosystems

    Fish as Farmers: Reef residents tend an algal crop

    A damselfish cultivates underwater gardens of an algal species that researchers haven't found growing on its own.

  9. Ecosystems

    A Chronicle of Coasts: Study charts historical changes in seas, estuaries

    New research compares the long-term ecological impact of human activities in estuaries and coastal seas on three continents.

  10. Ecosystems

    Top-Down Lowdown: Predators shape coastal ecosystem

    The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients.

  11. Ecosystems

    Antarctic birds are breeding later

    Rising global temperatures are causing Arctic birds to breed earlier in the spring, but for Antarctic birds, the reverse is true.

  12. Ecosystems

    Light All Night

    New digital images demonstrate that artificial light from urban areas penetrates deep into some of America's most remote wild places, where it may disrupt ecosystems that have evolved with a nightly quota of darkness.