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The Economist
The Economist
4 Sep 2024


NextImg:New tech can make air conditioning less harmful to the planet
Science & technology | Cold comfort

New tech can make air conditioning less harmful to the planet

The key is energy efficiency

In many parts of the world, the cool blast of an air-conditioner on a hot day is nowadays seen as a luxury rather than a necessity. Climate change is tipping the balance. Average global temperatures are now roughly 1.2°C higher than they were before the Industrial Revolution: by mid-century they are projected to be about 2°C higher. Air-conditioning (AC) use, correspondingly, is set to soar. By one estimate, the number of room-cooling ACs could nearly triple between now and 2050.

The noisome economics of dung beetles

They are worth millions a year to cattle ranchers


Digital twins are making companies more efficient

They will also help them reap the benefits of advances in AI


Digital twins are enabling scientific innovation

They are being used to simulate everything from bodily organs to planet Earth

Digital twins are speeding up manufacturing

Makers of Formula 1 cars and jet engines are leading the way

Billionaire space travel heads for a new frontier

Flying on Elon Musk’s spaceship; sponsored by Doritos