Read the above text and fill in each gap with a suitable word based on the information of the text:
Fossil fuels are burned at an alarming rate due to (a)___ Coal is one of the fuels used for (b)___ energy. Our atmosphere is being polluted for the (c)___ greenhouse gases day by day. Our (d)___ on fossil fuels should be reduced. We should not destroy our (e)___ which play a vital role to produce oxygen.