NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: ESM 431
COURSE TITLE: ENVIRONMENTAL HEALTH AND SAFETY
TIME ALLOWED: 2 HOURS
INSTRUCTION: ANSWER ANY FOUR (4) QUESTIONS
(1) Write short notes on any three (3) of the following:
(a) Natural processes that keep the earth stable.
(b) Water recycling disposal and clean up.
(c) Provision of fresh water.
(d) Food web and fertile soil.
(2) Discuss the connection between the concept of sustainable development and the following: (I) “Waste and inequality” (ii) “Wise use of energy”.
(3a) In brief, explain each of the following: (I) Environmental law/legislation, and (ii) Environmental Regulation.
(4) Itemize any eight (8) International Environmental Regulation, Convection or Treaty and any six (6) Environmental Regulation Agency/Body in Nigeria.
(5a) Define Cost Benefit Analysis (CBA).
(b) Using a Schematic/flow diagram ONLY, discuss the frame work of CBN.
(6) Discuss the concept of Clean Technology and itemize any four (4) benefits of this concept.
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