World Environment 1986 Issue 3 The Population Growth and Desertification Crisis

The Population Growth and Desertification Crisis
Seifulaziz Milas an information officer in the Information Service Branch of the United Nations Environment Programme.

..............page:3-5

Environmental Perceptions and Management
Dr. B. Bowonder chairman of the Centre for Energy;Environment and Technology;Administrative Staff College of India;Hyderabad-500049;India.

..............page:6-8

Mechanism of Absorption of Chemical Species from Aqueous Medium by Water Hyacinth and Prospects of Its Utilization
S. Z. Haider Department of Chemistry University of Dhaka;Dhaka 2;BANGLADESH

..............page:8-11

Natural Resources and Population
Zhang Guanghua senior engineer of the Environmental Protection Board of MURCEP in Beijing;China

..............page:12-15

A Short History of Refinery Process Wastewater Treatment in the USA
J. F. Grutsch W. R. Quanstrom General Manager. En vironment Affairs & Safety;Standard Oil Company;USA

..............page:16-18

Pollution Preventive Measures in a Lead-Zinc Mine in Japan
Nobuo Matsul General Manager;Metallurgist Engineering Promotion Office;Mitsui Mining and Smelting Co. Ltd.;Japan.

..............page:19-21

Purification of Organic Dye Wastewater
В.М.Филпов;П.Н.Эндюськин

..............page:22-25+15

Treatment and Utilization of Different Sludge
Editorial Department of Japan Estate and Environment

..............page:25-27

Retrieving Mercury from Industrial Wastes
Kato Hiroaki Director of Environmental Clean Centre of Japan.

..............page:28-30

Environmental Management in Oil Refineries and Terminals
qi shu ping ;

..............page:31

Sulphur Management Strategies for Petroleum Refinery Products
Joe Labnda Environmental Protection Service;Environment Canada;Canada

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New Processing Trends for Reducing Oil Refinery Pollution
Michel Coupard Roger Hournac Michel Coupard;Process Supervisor;Roger Hournac;Refinery Department Manage;Compagnie Francaise d’Etudes et de Construction TECHNIP;France

..............page:35-37

Developing Coal in Developing Countries
Michael Chadwick is a professor at the University of York;U. K.;where he directs the Beijer Institute Center for Resource Assessment and Management. Dr. Nicolas Highton is a research fellow at the cen.er.

..............page:38-40

Cotton Stalks as an Energy Source for Nicaragua
Per Johan Svenningsson

..............page:41-42+15

A Basic Study on Personal Exposure to Nitrogen Dioxide （NO₂）
Isamu Matsukawa;Management and Policy Research Section of Tsukuba University;Japan.

..............page:43-45

kong qi wu ran sun huai jian zhu wu
li ji min ;

..............page:46

zhong guo long zhong ji nian shi jie huan jing ri
yu min ;

..............page:46

mei guo wei lai zi tu rang zhong de fang she xing qi ti you lv
li ji min ;

..............page:46

xin xing jing shui zhuang zhi huo guo ji fa ming yin pai jiang
hu rong gong ;