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

Germany's new big hope against warming—heat pumps

As Germany looks to a future without fossil fuels, a big white boxy appliance is generating a lively debate—and often a heated one—for its potential to replace emissions-heavy oil and gas boilers.

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