\
Cover: “Polluted Lake Zug in Switzerland.” Photograph by Georg Gerster,
Rapho-Guillmnette.
Photo credits and copyright acknowledgments appear on page
199.
© 1974 Scientists’ Institute for Public Information
All rights reserved. No part of this publication may be reproduced or transmitted in
any form
or by any
means, electronic or mechanical, including photocopy, recording,
or any
information storage and retrieval system, without permission in writing from
'
the publisher.
ISBN: 0—15—595125—4
Library of Congress CatalogCet‘rd Number: ”ZS—13334
'
Printed in the United States of America
,
Cover: “Polluted Lake Zug in Switzerland.” Photograph by Georg Gerster,
Rapho-Guillmnette.
Photo credits and copyright acknowledgments appear on page
199.
© 1974 Scientists’ Institute for Public Information
All rights reserved. No part of this publication may be reproduced or transmitted in
any form
or by any
means, electronic or mechanical, including photocopy, recording,
or any
information storage and retrieval system, without permission in writing from
'
the publisher.
ISBN: 0—15—595125—4
Library of Congress CatalogCet‘rd Number: ”ZS—13334
'
Printed in the United States of America
,