Energy & Green Tech

Less power, lower emissions: improving AC technology

With air conditioner demand surging, scientists are looking for ways to improve the energy efficiency of cooling systems and limit damaging emissions that accelerate global warming.

Engineering

How to make homes cooler without cranking up the air conditioning

Temperatures around the world are soaring. Both California's Death Valley and China's Xinjiang region have seen temperatures climb above the 50℃ mark. A blistering heat wave is also sweeping across the Mediterranean, causing ...

Energy & Green Tech

Here's how geothermal energy heats and cools a home

Some homeowners looking to switch out their heating and cooling systems are turning to home geothermal—also known as ground source—heat pumps. It's a technology that relies on a simple physical fact: Dig several feet ...

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