Treehugger | The envelope, please: BuildingGreen's top 10 green picks for 2016 Treehugger It's hard; what am I supposed to do with a product like HoneyWell Solstice,"a liquid blowing agent for polyurethane foam based on hydrofluoroolefin (HFO) technology, replaces HFC-245fa, and has a 100-year GWP of only 1"? All I could think of was ... |