Question

why must we look for alternative sources of energy​

Answer 1

Answer:

Alternate sources of energy are necessary because: The mainstream fossil fuels like coal and petroleum are non renewable so their reserves are ending fast. ... The burning of fossil fuels is polluting the environment. The CO2 obtained from burning fossil fuels is leading to greenhouse effect leading to global warming

Explanation:

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Answer 2

We must look at alternate sources of energy because :-

• The fossil fuels and nuclear fuels on the earth are limited which may not last for long .

• The undesirable effects of pollution, both from the burning of fossil fuels and from the radioactive nuclear wastes of nuclear power plants are creating threat to our environment .