Global Warming

By ShivaA380Class VIII

Contents What is ‘Global

Warming’?Global Warming causing

elements What is ‘Pollution’?Types of Pollution It’s effects How to Control Global

Warming

What is ‘Global Warming’?A gradual increase in temperature due to contribution of

some gases like Carbon Dioxide, Carbon Monoxide & some CFCs and Pollutants.

Elements that are causing Global Warming Methane emissions from animals Deforestation Increase in usage of chemical fertilizers in fields.

What Is ‘Pollution’? The presence of a substance or thing that has harmful or

poisonous effects on our eco system is called ‘Pollution’.

Types of PollutionTypes of pollution –Air Pollution Land Pollution Sound Pollution Water Pollution Radioactive Pollution

Air Pollution When the air contains harmful gases, dust, fumes or

odour in harmful amounts. i.e. amounts which could be harmful for humans, plants & animals.

Land Pollution It is the deterioration of the earth’s land surfaces,

directly or indirectly as a result of human’s activities and misuse of land resources.

Sound Pollution Unwanted sound or sound which produces unpleasant

effects & discomfort on the ears.

Water Pollution It refers to the contamination of water bodies such as

rivers, lakes etc., caused by human activities. This could be harmful to plants & animals living in water bodies.

Radioactive Pollution It is defined as physical pollution of air, water & other

radioactive materials. The ability of certain materials to emit the proton, gamma rays and electrons by their nuclei is known as the radioactivity.

Fukushima Disaster caused Radioactive

Pollution

How to Control Pollution & Global Warming ?Nuclear devices should be exploded under ground.Choose efficient, low-polluting models of vehicles.DO NOT dispose of household chemicals or cleaning

agents down the sink or toiletBuy biodegradable products.Use of horns with jarring sounds, motorbikes with

damaged exhaust pipes, noisy trucks to be banned.