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Vertical farm cuts energy use 75 per cent by using sunlight

7 April 2023

A vertical farm built inside a greenhouse in Texas can produce hundreds of thousands of heads of lettuce with significantly less energy than usual

The Winthrop Center is the tall glass building at the back

World’s largest office building with 'passive house' design to open

14 March 2023

The world’s largest example of an office building constructed to passive house standards – using airtight construction and high levels of insulation to cut energy use – is soon to open in Boston, Massachusetts

Energy saving concept. Paper cut of eco on green grass; Shutterstock ID 381769096; purchase_order: -; job: -; client: -; other: -

The 2000-watt energy saving challenge may be hard, but it’s worthwhile

8 February 2023

A Swiss vision of a low-energy society set a goal that is irresistibly simple: consume energy at a rate of just 2000 watts. It’s a great way to push us to use less power - good for the purse and the planet

2HJ1JYB Buildings in the near north side Chicago skyline bask in the late evening sun not long before sunset.

Smart cladding could control whether buildings retain or emit heat

3 February 2023

A new material changes its infrared colour when a small electric current is applied, raising the possibility of buildings that store or release heat depending on outside temperatures

new houses with solar panels on roofs in Stirling, UK

Energy price cap means now might be the best time to green your home

29 March 2022

The cost of heating UK homes using traditional technology is rising this week – making green options like solar panels and heat pumps a more affordable alternative

Climate targets at risk as green tech triggers higher energy demands

2 March 2021

As technology becomes more efficient, we tend to use it more often – an effect that is drastically underestimated in some energy models and that will make climate goals harder to hit