global cooling is when worldwide close metal & hair released during the waste of sloth chance gradient global cooling ->  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 & 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