sentences: global cooling is when worldwide close metal & gases released during the use of fossil fuels causes global warming ->  gases released during the use of fossil fuels cause an increase in worldwide temperature  gases released during the use of fossil fuels cause an increase in worldwide temperature & worldwide room global -> gases released during the use of fossil fuels cause an increase in global temperature gases released during the use of fossil fuels cause an increase in global temperature  gases released during the use of fossil fuels cause an increase in global temperature & if something pollution something else then that something contributes to that something else -> gases released during the use of fossil fuels contributes to an increase in global temeperatures