The Climate Question15 Jan 2023

How do we stay cool in a warming world?

Heatwaves are already the most deadly of climate risks. If we don’t keep climate change in check, we’ll experience more of them, reaching even higher temperatures.

Already we need cooling to keep our homes, hospitals and workplaces comfortable, our vaccines stable and our food nutritious. As the planet warms up we’ll have even greater need.

Currently the cooling industry is incredibly polluting – it accounts for around 10% of global CO2 emissions. And the demand for it is only going to increase. An International Energy Agency report said that the amount of air conditioners will grow by 5.6 billion by 2050, up from 1.6 billion today – which amounts to 10 new ACs sold every second for the next 30 years.

So how can we cool our warming world sustainably?

This episode looks at the biggest problems with cooling, the rapid rise in air conditioners and the surprisingly simple ways we can keep things cool without using any energy at all.

Presenters Luke Jones and Graihagh Jackson are joined by:

Zerin Osho, International Climate Law and Policy at Institute for Governance & Sustainable Development Karim Elgendy, Associate Fellow at Chatham House and Associate Director at engineering consultancy firm Buro Happold Chhavi Sachdev, Journalist, India

Email us: theclimatequestion@bbc.com

Producer: Lily Freeston Researcher: Natasha Fernandes Production Coordinators: Siobhan Reed and Sophie Hill Series Producer: Alex Lewis Editor: China Collins Sound Engineer: Tom Brignell

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