Why do we use fossil fuels judiciously ?

Explanation

1) Fossil fuels were produced from the remains of ancient plants and animals.
2) They include coal, petroleum (oil) and natural gas.
3) We need to use fossil fuels judiciously because they are non-renewable resources.
4) We need to conserve fossil fuels so we don't run out of them.
5) The pollution caused by them when burnt, to limit our fossil fuel use.
6) Future generations may not get these resources.
7) Balance in the nature will be distrubed.
8) Electricity production will be stopped.
9) Vehicles running with fossil fuels become useless.