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Air conditioning: the benefits, problems and alternatives

Amid record-breaking heat, increased access to air conditioning could save lives – but AC units are damaging the environment. Are there other options?
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Photo by Zulki Jrzt on Unsplash

The future of energy efficient air conditioners will reshape HVAC

2023 is on track to be one of the hottest years on record for the planet—if notthe hottest.

Poor planning left California short of electricity in a heat wave
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Poor planning left California short of electricity in a heat wave

Scores of power plants were down or operating below their capacity just as hot weather drove up demand.
We need major air-conditioner innovation for a warming world

We need major air-conditioner innovation for a warming world

Building more efficient AC and refrigerators could prevent the equivalent of eight years of global emissions over the next four decades.
The world generated 53.6 million tonnes of e-waste in 2019

The world generated 53.6 million tonnes of e-waste in 2019

E-waste is the fastest-growing domestic waste stream in the world. In 2019, the world threw out the equivalent weight of 350 cruise ships’ worth of electronics.
The global victory over ozone-killing chemicals is coming undone

The global victory over ozone-killing chemicals is coming undone

Mysterious emissions have been slowing the atmosphere's healing. Scientists think they've finally discovered the source.

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