Earth

  1. Earth

    Wildfire, Walleyes, and Wine

    An international panel's latest report on the impacts of climate change highlights an overlooked need: preparing for droughts, floods, heat waves, and other disasters.

    By
  2. Earth

    Storm Norms: Caribbean corals and sediments yield clues to hurricane frequency

    The recent increase in hurricane activity in the North Atlantic, a phenomenon that some scientists blame on climate change, actually reflects a return to normal after a lull in the 1970s and 1980s.

    By
  3. Earth

    Guidelines for wind farms

    National policies to maximize the benefits of wind farms while lessening their environmental impacts may be needed.

    By
  4. Earth

    NOAA’s Virtual World

    Players of the virtual reality game Second Life can now soar through a virtual hurricane, experience rising through the atmosphere atop a weather balloon, and more at the National Atmospheric Administration’s new site. Go to: http://www.esrl.noaa.gov/outreach/sl/

    By
  5. Earth

    Ice Age Ends Smashingly: Did a comet blow up over eastern Canada?

    An extraterrestrial object apparently exploded above Canada about 12,900 years ago, sparking devastating wildfires and triggering a millennium-long cold spell.

    By
  6. Earth

    Using seismometers to monitor glaciers

    Seismic instruments could be used to estimate the amount of ice that shears away from glaciers as they flow into the sea, offering a way to better estimate sea level rise due to the breakup of those ice masses.

    By
  7. Earth

    Fish Free Fall: Hormone leads to population decline

    Trace amounts of the synthetic estrogen used in birth control pills can cause a fish population to collapse.

    By
  8. Earth

    Southern seas slow their uptake of CO2

    In recent decades, the rate at which oceans in the Southern Hemisphere soak up atmospheric carbon dioxide has slowed.

    By
  9. Earth

    Biological Hot Spots: Ocean eddies may not always lock away carbon

    The carbon in the tissues of organisms that bloom inside some ocean eddies doesn't always sink to the ocean floor to be locked away in sediments when those organisms die.

    By
  10. Earth

    Emissions tied to global warming are on the rise

    The United States emitted nearly 1 percent more greenhouse gases in 2005 than it did in the year before.

    By
  11. Earth

    Not-So-Clear Alternative: In its air-quality effects, ethanol fuel is similar to gasoline

    Switching the nation's vehicles from gasoline to ethanol may not reduce air pollution.

    By
  12. Earth

    Lake Superior is warming faster than its local climate

    In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore, a trend caused in part by a long-term decrease in the lake's winter ice cover.

    By