Question

why we must look for alternative sources of energy​

Answer 1

Answer:

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Explanation:

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.

Answer 2

Explanation:

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.