Not caring for our environment Pages :92-93 Definition of pollution Types of pollution How to protect the environment? Quick questions What is pollution? • Pollution is when something is added to the environment that is harmful or poisonous to living things. • Contamination of air, water, or soil by substances that are harmful to the living organisms. There are four main forms of pollution: air, water, noise ,plastic and land. Air pollution • Wildfires and volcanoes cause some air pollution. • Most air pollution comes from burning fossil fuels. These include coal, oil, and natural gas. • Factories, electrical plants, and automobiles burn these fuels for power. • Air pollution may cause lots of diseases. • It affects human health, plants and animals. Air pollution Water pollution • Some causes of water pollution are easy to see. • People dump garbage and sewage into creeks, rivers, ponds, lakes, and oceans. • Factories or cities sometimes release oils, poisonous chemicals, and other wastes into water. • Some people throw plastic,clothes and dead animals. Water pollution Land pollution • Littering, or tossing garbage on the ground, is a form of land pollution. • Litter is unpleasant to look at. It also can destroy the habitats and homes of plants and animals. Land pollution Noise pollution • Noise pollution also known as sound pollution • It is noise which is harmful to humans and animals. • This includes the sound of vehicles, loud speakers and factories. • Noise pollution can cause ear problems or even permanent deafness, especially to older people. Plastic pollution Plastic pollution is the accumulation (piling up) of plastic products in the environment that affects wildlife habitats , or humans. • Let’s watch the video together to know more about pollution. What to do to protect the environment? • • • • • • • • • Reusing our plastic object. Rivers should not be used to washing clothes or bathing animals in. Harvesting rainwater to meet water requirements. Stop throwing dead bodies of animals in the river. Air ports must be away from residential areas Trees should be planted everywhere. Recycle cans and bottles. Print as little as necessary. Use energy-efficient light bulbs instead of regular bulbs. They last longer, which will save you a bit of money. • Make sure you turn off lights, the TV, and other appliances when you are not using them. • Limit your water usage. Questions 1. What are some ways that we can keep the environment safe from pollution? a) We can use things that will not hurt the earth. b) We can travel less in cars. c) We can recycle some things instead of throwing them away. d) All answers are correct. 2. How can giving toys away help to stop pollution? a) b) c) d) Toys can be replaced. It is fun to buy new toys. Toys pollute everything. Toys can be used by another person instead of taking up space in a landfill. 3.What is one cause of air pollution? a) b) c) d) litter found on the side of the road water used as a coolant by power plants burning fossil fuels Listening to loud music 4.What is a main cause of water pollution? a) Use of water for plants b) Dumping dead animals. c) Collecting rain water.
