NBC Evening News for Wednesday, Jun 14, 1972
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(Studio) Environmental Protection Agency bans almost all domestic use of pesticide DDT by end of year DDT nfrs. appeal decision. Envtl. Defense Fund calls for total ban with no exceptions. Rachel Carson's "Silent Spring" and ecological movement have produced results.
REPORTER: John Chancellor
(Portland, OR) [Willamette River in 1962 shown, filthiest river in Northwest USA.] People put pressure on politicians, who pressured industry and things began to change. [OR Governor Tom MCCALL - recalls early effort. Permits to operate on river granted only if progress made by company to cut down pollution.] 90% pollution cut, but only small portion industry closed rather than change.
REPORTER: Don Oliver (KGW-TV Newsfilm)