Integrated solutions to protect ozone layer and safeguarding climate change. This video highlights safety practices when working with hydrocarbons in refrigeration. An animated figure, 'Mr Cool' is the viewer's guide to the latest environmentally friendly cooling agent. Hydrocarbons were used in fridges before CFCs were invented, and now they are making a comeback as alternatives to ozone depleting CFCs. In Germany, the UK and China, hydrocarbon fridges are fashionable again. They are an efficient and cost-effective replacement for cooling equipment using CFCs.