Fact 1: Gases released during the use of fossil fuels causes global warming.

Fact 2: Global warming is linked to the combustion of oil, gas and coal.

Given the two facts above, answer the question "The use of oil, gas and coal contributes to what?" with the following options: 
- heat is produced
 - animal extinction
 - heat production
 - radiation
 - Global climate change
 - Quality of life
 - rain
 - electricity


 

     Global climate change    