Summary: Stories: 1) To Save Endangered Tortoises, Conservationists Deface Their Shells 2) Why Are We Hauling Pennsylvania Coal All The Way To Germany? 3) Why The Exxon Valdez Spill Was A Eureka Moment For Science 4) 25 Years After Spill, Alaska Town Struggles Back From 'Dead Zone' 5) The Change That Seeped From The Exxon Valdez Spill 6) New Twist In Ecuadorians' Long Pollution Fight With Chevron
