Pre-service Emerging Issues 2nd Year

Unit 72: PollutionHealth and EnvironmentObjectives: By the end of this unit, you will:• Understand what pollution is• Identify the causes and effects of pollution• Identify some ways to minimise pollutionIntroduction: You will remember that last time we looked at environment, we looked atpollution then. Now we will look at pollution in more detail.Activity 1: What is pollution?Activity 2: What causes pollution? If pollution iswaste that destroys our air, water and soil what arethe causes of pollution?If we throw our garbage into the water ways (eitherrivers, streams or the sea) what happens?What happens when we pollute the air?What are the effects of soil pollution?Conclusion: Sierra Leone suffers from every type of pollution: but it is not the bigfactories that create most of the pollution in Sierra Leone: it is us: the ordinary Saloneswe are destroying our own soil, air and water and thereby killing ourselves and ourcountry.Unit 73: How Do We Deal with Pollution?Health and EnvironmentObjectives: By the end of this unit, you will:• Identify some ways to minimise pollutionIntroduction. In this unit we will look at what we can do to minimise the pollution inSierra Leone.Activity 3: How can we minimise pollution?Soil PollutionPotential solution Adv. Disadv.Burning all refuseBanning chemical fertilizersDigging garbage dumps and burying all wasteBurying only bio-degradable waste (waste that rots down into the soil andenriches it)Digging garbage pits and sprinkling lime and earth onto the waste every dayBanning chemical spills from factoriesCreating recycling of metal, glass and woodBanning the use of plastic bags22