The

Vol. 9 Nos 8/9 Nov/Dec 1979

Editoria l

Edward Goldsmith Sir Frank Fraser Darling 258

Feature Article s

Gary Nabham Cultivation and Culture. 259

The crops grown by traditional societies are finely adapted to environmental and social needs.

Samuel Epstein Polluted Data 264

Thousands of chemicals are put on the market each year. The experimental data justifying their use is often totally bogus.

Samuel Epstein The Polluters Hit Back 269

How the chemical industry reacted to Professor Epstein's allegations.

Edward Goldsmith Can We Control Pollution? (Part 1) 273

The only way to control pollution is not to generate it .

Jim Garrison The Mysterious Case of Karen Silkwood 291

Karen Silkwood's car was forced off the road, killing her instantly. Documents she had incriminating the Kerr-McGee Nuclear Corporation have never been found . . .

Report

David Greenstock Magnesium and Health 298

Modern farming methods are creating a nutritional time-bomb BOOKS 300

LETTERS 304 Cover by Mike Frost Photo of Karen Silkwood by Critical Mass

Note: While every care is taken with manuscripts submitted for publication, the Editors cannot guarantee to return those not accepted. Articles published in the Ecologist do not necessarily express the views of the Editors.

Published by Edward Goldsmith, Ecosystems Ltd, 73 Molesworth Street, Wadebridge, Advertising: Maria Parsons Cornwall PL27 7DS, UK. 73 Molesworth Street, Editors: Edward Goldsmith, Nicholas Hildyard. Managing Editor: Maria Parsons. Wadebridge,

Book Review Editor: Ruth Lumley-Smith. Tel: 020-881-2996 Cornwall. Associate Editors: Robert Allen, Peter Bunyard, Brian Johnson, Bernard Gilbert, \ Jimo Omo-Fadaka, Andrew MacKillop, Robert Waller, Lawrence Hills, John Papworth, Nicholas Gould, Raymond Dasmann, Richard Wilson, John Milton (USA), . Henryk Skolimowski (USA), Manfred Siebker, Sigmund Kvaltfy (Norway). Printed by: Penwell Ltd y v /• * Parkwood, Calhngton ISSN 0141-6952 Cornwall. The Ecologist Vol. 9 Nos 8/9 Nov/Dec 1979 257