Under the cover of night on April 21, 1970, five Miamians, calling themselves the "Eco-Commando Force '70," sneaked into six sewage-treatment plants and threw packets of yellow dye into the works. The next day half of Dade County's canals turned bright yellow, graphically illustrating that Miami's inadequately treated sewage does not get far from home.
This week, in recognition of the pertinence of such antipollution tactics, the Eco-Commandos are being declared first-prize winners of a national "ecotage" contest. The word is not yet in any lexicon. Coined by Environmental Action, the activist organization in Washington, D.C., that sponsored the contest, it was...