Energy & Green Tech news

Engineering

Cool roofs could have saved lives during London's hottest summer

As many as 249 lives could have been saved in London during the 2018 record-setting hot summer had the city widely adopted cool roofs, estimates a new study by researchers at UCL and the University of Exeter.

Engineering

New cooling system works on gravity instead of electricity

Its abundance of sunlight and heavy investment in solar cell technology has positioned Saudi Arabia well in its transition to becoming a leading exporter of renewable energy. Indeed, solar energy currently makes up more than ...

Energy & Green Tech

Researcher wants to ensure AI doesn't ruin the environment

Artificial intelligence (AI) has changed the world as we know it. It's been used for everything from health-care monitoring to writing speeches. But the technology's impact on the environment is becoming a serious concern.

Business

Study warns of $557 trillion in stranded assets by 2050 if fossil fuel investments continue

Continued investment in carbon-intensive industries will drastically increase the amount of "stranded assets" as the world moves to net-zero emissions, researchers warn.

Energy & Green Tech

Britain's last coal-fired power station closes

The UK's last coal-fired power station will officially close its doors on Monday, making Britain the first G7 country to end its reliance on the fossil fuel to produce electricity.

Energy & Green Tech

Nepal dam-building spree powers electric vehicle boom

Taxi driver Surendra Parajuli's decision to buy an electric cab would have been unthinkable a decade ago, when chronic power cuts left Nepalis unable to light their homes at night.

Engineering

Which is ecologically better: Concrete or plastic pipes?

On behalf of the FBS (Federal Association of Concrete Sewer Systems), Fraunhofer UMSICHT prepared a life cycle assessment of the environmental impact of wastewater pipes made of (steel) concrete. This also functions as an ...

Energy & Green Tech

Solar, wind energy struggle as coronavirus takes toll

The U.S. renewable energy industry is reeling from the new coronavirus pandemic, which has delayed construction, put thousands of skilled laborers out of work and sowed doubts about solar and wind projects on the drawing ...

Energy & Green Tech

Are salt deposits a solution for nuclear waste disposal?

Around the world, there are pools of water filled with nuclear waste waiting for their final resting place. This is waste that was created from decades of nuclear power generation, and the waste must be handled carefully.

Energy & Green Tech

California scales up 1st-in-US electric truck sale proposal

California regulators on Tuesday strengthened a proposed first-in-the-nation rule that would force auto makers to sell more electric delivery vans and work trucks in a state with the country's worst air quality.

Electronics & Semiconductors

A new flexible piezoelectric composite for 3-D printing

Researchers at Peking University, Southern University of Science and Technology and the University of Jinan in China have recently designed a ceramic-polymer composite that can be used to print complex 3-D grid architectures. ...

Energy & Green Tech

How to go carbon neutral: Lessons from a Danish island

When fish stocks crashed in the Baltic in the late 1990s, the islanders of Bornholm, Denmark, realised they had to reinvent themselves. Their rocky outcrop, some 200km east of Copenhagen, had been in decline for years. Its ...

Electronics & Semiconductors

Environment-friendly compound shows promise for solar cell use

A widespread transition to solar energy will depend heavily on reliable, safe, and affordable technology like batteries for energy storage and solar cells for energy conversion. At Rensselaer Polytechnic Institute, researchers ...

Energy & Green Tech

Making wind power more predictable

A computer model that uses existing weather data to map long-term wind patterns at prospective wind turbine sites could help energy companies set up wind turbines more quickly and less expensively. The model eliminates the ...

Energy & Green Tech

Video: Steering drones for power generation

What if you could generate wind power without needing to build wind turbine towers? Dutch company Ampyx Power is developing flying kite-like tethered drones to harness energy directly from high-altitude wind. ESA's NAVISP ...