Energy & Green Tech

House size a factor in tackling global climate emergency

New research led by the University of St Andrews reveals that in order to achieve ambitious global climate change targets, energy policy must factor in that average space per person is increasing in homes.

Engineering

Engineer discovers mighty power in small solar energy invention

Today's commonly used silicon solar cells are heavy and bulky, and take up a lot of space to produce power. Newer models, made from soft materials that are flexible and versatile, are cheaper to produce but also much less ...

Engineering

Taking the carbon out of construction with engineered wood

To meet the long-term goals of the Paris Agreement on climate change—keeping global warming well below 2 degrees Celsius and ideally capping it at 1.5 C—humanity will ultimately need to achieve net-zero emissions of greenhouse ...

Engineering

Punching holes in opaque solar cells turns them transparent

Researchers in Korea have found an effective and inexpensive strategy to transform solar cells from opaque to transparent. Existing transparent solar cells tend to have a reddish hue and lower efficiency, but by punching ...

Energy & Green Tech

First commercial electric plane takes flight in Canada

The world's first fully electric commercial aircraft took its inaugural test flight on Tuesday, taking off from the Canadian city of Vancouver and offering hope that airlines may one day end their polluting emissions.

Engineering

A gnu way to control room temperature

Heating, ventilation, and air conditioning systems—called HVAC systems—can be a delicate balance. There are many factors to consider, from air flow between rooms to the effect of human body heat. In the past decade, researchers ...

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