Articles on Energy efficiency

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Home buyers typically compare factors such as price, size and location, but not energy use or emissions, when choosing where to live. (AP Photo/Nam Y. Huh)

Homebuyers are choosing homes with much higher carbon footprints than they realize

Clearer information about energy costs could help home buyers make lower-carbon choices without requiring them to compromise on affordability, space or location.
There are a few ways to get help in handling high energy costs. Carme Parramon/DigitalVision Vectors via Getty Images

Energy costs are high and unaffordable – what utilities, governments, communities and you can do to help save consumers money

There are opportunities at every level of the US energy market to save consumers money – if governments, companies, communities and individuals choose to act.
The spillway at the Robert-Bourassa hydroelectric power station in Québec. (Facebook | Eeyou Istchee Baie-James - touristic region)

Why saving power makes economic sense in the transition era

In the face of the energy transition, producing energy will be much more expensive than energy efficiency, which is still largely under-exploited.
A worker fits solar panels for South Africa’s first municipally owned solar plant in 2025. Photo by RODGER BOSCH/AFP via Getty Images

South Africa’s move to greener energy is creating new jobs, but benefits aren’t evenly spread

A just transition to a green economy with broad growth in employment will require deliberate efforts.
Artificial intelligence systems can optimize airline routes and reduce contrails. Richard Newstead/Moment via Getty Images

Despite its steep environmental costs, AI might also help save the planet

Artificial intelligence systems have big environmental costs but are also finding ways to save energy and water, cut emissions and make businesses more efficient.

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