Gases released during the use of fossil fuels causes global warming.
Cars and factories burn fossil fuels, releasing nitrogen oxide gases and reactive organic compounds.
Cars and factories contribute to global warming.
Driving a car contributes to 
[1] dark matter
[2] Quality of life
[3] global warming
[4] salty cashews
[5] kinetic energy
[6] lowered energy cost
[7] expansion of the universe
[8] survive