The sulphur in the stratosphere cools the planet, but at lower altitudes within the earth’s atmosphere it does a lot of damage.
Since the industrial revolution began over 200 years ago the combustion of fossil fuels has put just over 1 trillion tons of CO2, as well as sulphur, into the atmosphere,
and by the mid 1950’s the effects of the sulphur were killing thousands of people through repertory diseases,
it also caused acid rain and had a devastating effect on plants and animals.