Earth.org
Summary
With extreme temperatures becoming more common around the world, cooling solutions have become essential in keeping people healthy and maintaining work productivity during tropical summer months, even in places that are new to extreme heat, such as the UK.
More sustainable cooling alternatives are already available, but to lower the need for air conditioning, a more holistic approach to cooling is needed.
In cities with warm climates such as Dubai, district cooling is a proven sustainable alternative to keep temperatures down, requiring only half the amount of energy compared to air conditioners. Chilled water is pushed through insulated pipes from a central cooling plant to buildings. The water is then distributed to air-handling units, which cool the building down. After the water absorbs the heat, it flows back to the central cooling plant to be cooled and used again.
In Europe, an increasing number of cities are looking at district cooling to keep temperatures down while keeping emissions low. Paris has one of Europe’s largest district cooling systems. Over 800 sites, including the Louvre, are kept cool with chilled water from the Seine. The city is planning to further expand the system, connecting hospitals, elderly homes, and daycares across the city.
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