eco-friendly cooling Archives – The Green Optimistic green tech news, since 2008 Fri, 03 Apr 2015 10:45:57 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Solar Cooling System Preserves Food Without Electricity https://www.greenoptimistic.com/solar-cooling-system-preserve-food/ https://www.greenoptimistic.com/solar-cooling-system-preserve-food/#respond Fri, 03 Apr 2015 10:45:57 +0000 https://www.greenoptimistic.com/?p=54060 An eco-friendly and cheap cooling system developed by a Mexican researcher uses solar energy to maintain temperature of food and water at nine degrees Celsius for three months. Refrigerating systems have been under the spot light ever since they were found guilty of polluting the atmosphere with the Chlorofluorocarbons (CFCs), causing a depletion in the ozone layer. […]

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