Refrigeration

Cooling with CO2

At the G20 summit in St Petersburg 33 nations and the EU confirmed they would join the United States and China in working together under the Montreal Protocol and the UNFCCC to limit the use of Hydroflourocarbons, or HFCs, for cooling. United Technologies has pioneered a way to replace HFCs with C02 directly from the atmosphere.

Almanac/First Refrigerator

The Living on Earth Almanac