By Hasimah Azit

Agriculture - Land clearance for agriculture / deforestation - Mangrove swamp clearance for fish farm - Excess used of fertilizer – euthropication -

BOD level- Excess used of herbicides/ pesticides

Burning Open burning of solid waste – gases Burn the forest for land clearance Open burning of agriculture waste

Industrialisations Land clearance for industrial plantGas and waste effluent from the factory

Urbanisation Deforestation for housing and new townshipWater management Solid waste management Sub- urban area /squatters

Pollution Air - greenhouses gases, ozone depletion Water - BOD level, toxic pollution, heavy

metalsThermal -= greenhouse effectNoise

Present your findings in these topics:

Group of four will present in front of the class :

Topics: Effect of the deforestation on environmentEuthropiction – produced dead riverOzone depletion – caused and effectWhy so much noise?Green house effect and global warming How to sustain the balanced ecosystem?Energy crisis.Biological control a way forward?