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Environment and energy

Environment and energy

Is the answer to climate change lying beneath your feet?

20 Mar 2021 James McKenzie
Taken from the March 2021 issue of Physics World, where it appeared under the headline "Grounds for optimism".

James McKenzie examines the potential of pumps that warm our homes and offices by extracting heat from the ground below

Ground-source heat pumps
Green and clean Ground-source heat pumps are an environmentally friendly way to warm our homes. (Courtesy: iStock/ttsz)
About 15 years ago I bought a house in Cornwall. It wasn’t any ordinary house but a “future-tech

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James McKenzie is the writer of the Transactions column for Physics World about physics in industry. He is writing here in a personal capacity
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