How are glaciers, glaciation and human activities relate to climate change or global warming

The Production of C02 Co2 is an greenhouse gas and will go up into the atmosphere to heat it if the atmosphere is gaining to Much C02 it will heat up therefore Glaciers Will melt under the increasing heat a

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.