• Frequent tornadoes a symptom of jet stream change

    The unusually large number of severe tornadoes this year may be a sign of large-scale changes in the jet stream. When the events happen frequently such as the destruction of Joplin, Mo., the outbreak of multiple tornadoes in Alabama, and the northeast outbreak in…

  • Volcano expert fears we’ll see a super eruption in this century

    Examining geological, historical and archeological records, the expert took the audience on a journey back to three volcanic eruptions that have shaken the world – the 1815 Tambora volcano in Indonesia that killed 100,000 people, the 1783 eruption of Kaki in Iceland

  • Kyoto deal loses four big nations

    Russia, Japan and Canada told the G8 they would not join a second round of carbon cuts under the Kyoto Protocol at United Nations talks this year and the US reiterated it would remain outside the treaty, European diplomats have said.The future of the Kyoto Protocol

  • New Greenland ice loss study emerges

     In the last decade, two of the three largest glaciers in Greenland have lost enough ice that, if melted, could have filled Lake Erie.This startling picture of Greenland’s ice loss comes from a new study that refines measurements of such ice loss and is

  • El Nino will get more extreme

    El Niño and La Niña are the warm and cold phases, respectively, of the pattern known as the El Niño Southern Oscillation (ENSO) in the eastern half of the tropical Pacific. Forecasting how this pattern will behave a few months in advance is now…