1. What are the environmental consequences of using fossil fuels? Suggest the steps to minimise the pollution caused by various sources of energy including non-conventional sources of energy.

Soln:

Following are the consequences of using fossil fuels.

• Global warming will result due to 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 hazrds to humans and

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
• Afforestation