Didn't know the CFC replacements in refigeration that don't hurt the ozone layer are super greenhouse gases. http://www.drawdown.org/solutions/materials/refrige

Didn't know the CFC replacements in refigeration that don't hurt the ozone layer are super greenhouse gases. http://www.drawdown.org/solutions/materials/refrigerant-management http://www.drawdown.org/solutions/materials/refrigerant-mana...