An open-minded review of what extreme environmentalists have wrought on the USA and on the world inescapably leads to the conclusion that they have caused millions of deaths and trillions of dollars in damages and losses. If you think this is incorrect or an exaggeration, let us consider the record with respect to just three issues: the snail darter, nuclear power and DDT. The Snail Darter In 1976, with the Tellico Dam on the Tennessee River 99% complete, its construction was stopped and its destruction was ordered after a tiny fish called the snail darter was discovered in that river.