Question

List three environmental consequences of using fossil fuel.Suggest three steps to minimize the pollution caused by various energy sources?​

Answer 1

Fossil fuels have the following environmental effects:

Air pollution: Burning of fossil fuels release oxides and sulphides in the air and many other harmful gases like carbon monoxide, sulphur dioxide, etc. These cause various health problems and also lead to acid rain which further affects water and soil resources.

Greenhouse effect: On burning fossil fuels, a large amount of carbon dioxide is released into the atmosphere. This is a greenhouse gas and does not allow the sun rays reflected from the earth surface to escape into the atmosphere. Thus, increasing the temperature of the atmosphere. This is called greenhouse effect and results in global warming.

Following steps can be taken to minimise pollution:

Use of smokeless appliances.

Use of refined technology to increase the efficiency of combustion process and to reduce escape of harmful gases into the atmosphere.

Judicious use of energy.

Answer 2

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★Following are the consequences of using fossil fuels.

• Global warming will result due to the increase in the level of Carbon-di-oxide,
• Sulphur oxides causes acid rain
• Burning of fossil fuels will result in accumulation of smog in big cities which will result in decreased visibility
• Air pollution leads to health hazards to humans and animals.

★Steps to minimise the pollution caused by various sources of energy including non-conventional sources of energy.

• Use of public transport
• Use of vehicles like electric bikes and bi-cycle that can reduce air pollution
• Adopting 3R’s policy- reduce, reuse and recycle.
• Afforestation