Environment The Frontier and the Two Countries The Voyage of the Kiri enters Mexico — at least the Tijuana watershed — before even leaving the U.S. Kristian Beadle
Environment Greywater Dominoes As Californians start looking seriously at using greywater for home irrigation, all roads — or pipes — lead to Art Ludwig. Ben Preston
Environment Faux Better or Worse To save water, some cities let residents replace grass lawns with artificial turf. Environmentalists call for xeriscaping. Aesthetes wince. Nate Berg
Nature & Technology News in Brief Previous Site Sections Reducing Carbon One Garbage Can at a Time With a clear cash incentive to reduce garbage, the 'one-can' concept gains ground. Joan Melcher