Features

• 100 Years of Quantum Mysteries

  As quantum theory celebrates its 100th birthday, spectacular successes are mixed with persistent puzzles

  Max Tegmark and John Archibald Wheeler   | February 1, 2001  | 4

• Making Every Drop Count

  We drink it, we generate electricity with it, we soak our crops with it. And we're stretching our supplies to the breaking point. Will we have enough clean water to satisfy all the world's needs?

  Peter H. Gleick   | February 1, 2001  |

• Where the Water Will Be

  February 1, 2001  |

• How We Can Do It

  Diane Martindale and Peter H. Gleick   | February 1, 2001  |

• Safeguarding Our Water

  We drink it, we generate electricity with it, we soak our crops with it. And we're stretching our supplies to the breaking point. Will we have enough clean water to satisfy the world's needs?

  Peter H. Gleick   | February 1, 2001  |

• Growing More Food With Less Water

  If the world hopes to feed its burgeoning population, irrigation must become less wasteful and more widespread

  Sandra Postel   | February 1, 2001  |