Volcanic Cooling Large volcanic eruptions can cool the Earth by increasing the albedo. Calculate the expected temperature change if the albedo increases from 30 to 30.5 percent. Compare this estimate with the temperature record after the Mt. Pinatubo eruption Textbook, pp150)Volcanic Cooling Large volcanic eruptions can cool the Earth by increasing the albedo. Calculate the expected temperature change if the albedo increases from 30 to 30.5 percent. Compare this estimate with the temperature record after the Mt. Pinatubo eruption. (Textbook, pp150)