ENVIRONMENT SHANKAR IAS ACADEMY BOOK PUBLICATIONS AP-2241, 2 nd Floor, 12 th Main Road, Anna Nagar, Chennai - 600 040. Tamil Nadu. Mobile : 9962002006 www.shankariasacademy.com Email : [email protected] Revised Edition ii SHANKAR IAS ACADEMY ENVIRONMENT All Rights Reserved. No part of this material may be reproduced in any form or by any means, without permission in writing. © SHANKAR IAS ACADEMY BOOK PUBLICATIONS 1 st Edition – 2012 2 nd Edition - 2013 3 rd Edition - 2014 3 rd Edition Reprint - February, 2015 4 th Revised Edition - June, 2015 4 th Revised Edition Reprint - January, 2016 4 th Revised Edition Reprint - May, 2016 5 th Revised Edition - June, 2017 6 th Revised Edition - September, 2018 ISBN - 978-81-934226-0-1 Pages : 400 (xxxvi + 3 6 4) PUBLISHED BY SHANKAR IAS ACADEMY BOOK PUBLICATIONS AP-2241, 2 nd Floor, 12 th Main Road, Anna Nagar , Chennai - 600 040. Tamil Nadu. Mobile : 9962002006 www.shankariasacademy.com Email : [email protected] © Copyright is reserved to the publisher, therefore the person who will try to intimate or to print this book illegally or without the prior written permission of this publisher in any form, will be responsible for the loss and may be punished for compensation under the copyright act. iii SHANKAR IAS ACADEMY ENVIRONMENT All Rights Reserved. No part of this material may be reproduced in any form or by any means, without permission in writing. “Earth provides enough to satisfy every man’s need but not every man’s greed” - Mohandas Karamchand Gandhi iv SHANKAR IAS ACADEMY ENVIRONMENT All Rights Reserved. No part of this material may be reproduced in any form or by any means, without permission in writing.