News

  1. Earth

    Pollution in India may affect climate

    Computer models show that air pollution over India could be preventing up to 15 percent of the sunlight from reaching the ground in the springtime, possibly causing temperature drops of up to 2 degrees Celsius.

    By Sid Perkins
  2. Earth

    Y2K: One of the hottest, wettest yet

    Preliminary data from the National Climatic Data Center indicate the year 2000 will be one of the six hottest and one of the ten wettest years on record.

    By Sid Perkins
  3. Tech

    Current may flow free and cheap

    Wires that carry electricity without resistance at relatively high temperatures--and are inexpensive--moved a large step closer to reality as a 100-fold speed-up in depositing a key material wiped out a major obstacle to making those wires.