Tag Results for AED (8)

  1. Flying the Rails at 360 kph

    Air France-KLM, Europe's leading air carrier, is going electric. Forget about visions of battery-electric airplanes. EV technology has its work cut out just commercializing battery-electric cars, let alone trying to catapult hundreds of passengers into the air. Instead, Air France is recognizing the energy-efficiency and convenience of commuter trains and hitting the rails. Last week the Paris-based airline launched a joint venture with European bus and train operator Veolia to offer high-speed rail service between London, Paris and Amsterdam beginning in 2010 -- the year that EU laws will open international rail travel to competition. For technology they are eyeing …

    • |
    • 0
  2. Desertification Studies Cut Both Ways in Climate Debate

    For feelings of timelessness, unboundedness, and permanence, nothing beats the Sahara Desert. Yet as recently as 14,800 years ago, vast reaches of it were green, as a stronger summer monsoon enabled lakes, wetlands, grass and shrubland to expand upwards from the Sahel. Then around 6,000 years ago, with increased incoming sunlight and a weakening monsoon, desertification set it. But was that process fast or slow? Is it a case in point for those sounding alarms about "abrupt climate change"--change that takes place too fast for humans and ecosystems to adapt?…

    • |
    • 0