Energy & Green Tech news

Energy & Green Tech

Radiant-convective heating terminal show potential for improved indoor thermal environment for intermittent heating

A recent study published in Engineering, "Indoor Thermal Environment Improvement Based on Switchable Radiation/Convection-Combined Intermittent Heating: Comparison between Conventional Terminals and Integrated Novel Terminal," ...

Engineering

Study highlights complex ocean conditions facing world's most powerful tidal turbine

The number of tidal power and other offshore renewable energy installations is set to grow significantly around the UK coastline over the coming decades.

Engineering

Novel recycling process for rare-earth elements could improve green technology and boost carbon neutrality

In a recent study published in Engineering, researchers from Kyoto University have unveiled a novel method for the efficient separation and recycling of rare-earth elements (REEs) from end-of-life magnets. This innovative ...

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 panels soon may power and protect apple orchards

A small experimental apple orchard at Cornell's Hudson Valley Research Laboratory may soon be topped by solar panels, which would not only track the sun to capture energy, but provide a warm canopy on cooler spring days and ...

Energy & Green Tech

Study shows US can cut greenhouse gas emissions by 65% by 2035

Dramatically expanding climate-action policies across all levels of government, sectors of society and the economy could slash U.S. greenhouse gas emissions by 65% by 2035 compared to 2005 levels, according to a new report ...

Business

Can cryptocurrencies ever be green?

Cryptocurrencies have been condemned over their environmental record at a time when traditional investments have been rapidly moving towards greener environmental, social and governance (ESG) values. So how long will it be ...

Energy & Green Tech

Carbon dioxide removal from the atmosphere using sustainable energy

Much work is taking place on methods for capturing CO2 from the atmosphere to combat climate change. In addition to existing methods that use toxic solvents, electrochemical techniques that can work with sustainable electricity ...

Energy & Green Tech

Supercomputers advance longer-lasting, faster-charging batteries

In an effort to curb the rise in overall carbon vehicle emissions, the state of California recently announced a plan to ban new sales of gasoline-powered vehicles in less than 15 years—if the current governor's order holds ...

Energy & Green Tech

New global 'wind atlas' propels sustainable energy

Wind energy scientists at Cornell University have released a new global wind atlas—a digital compendium filled with documented extreme wind speeds for all parts of the world—to help engineers select the turbines in any ...

Engineering

Reducing embodied carbon in steel-framed buildings

Over the last ten years, global demand for concrete has grown three-fold and for steel two-fold. Both are responsible for approximately 15% of global greenhouse gas emissions (GHG), 75% of which is associated with buildings ...

Energy & Green Tech

Pioneering framework could reduce energy demand in buildings

Heating and cooling buildings is a large part of global energy demand and a significant source of CO2 and greenhouse gas emissions, and in the coming decades the energy demand for heating and cooling—also known as thermal ...

Engineering

Hydrogen-powered drives for e-scooters

Hydrogen is regarded by many as the future of propulsion technology. The first hydrogen-powered cars are already in action on German roads. In the case of e-scooters, however, installation of a high-pressure tank to store ...

Energy & Green Tech

Batteries that can be assembled in ambient air

The honor of the 2020 Nobel Prize in Chemistry went to those who developed lithium-ion rechargeable batteries. These batteries have become an essential energy source for electronic devices ranging from small IT devices to ...

Energy & Green Tech

Machine learning to predict the performance of organic solar cells

Imagine looking for the optimal configuration to build an organic solar cell made from different polymers. How would you start? Does the active layer need to be very thick, or very thin? Does it need a large or a small amount ...

Energy & Green Tech

Production of 'post-lithium-ion batteries' requires new skills

Research on manufacturing battery cells is gaining momentum—and there is a strong need, considering the future demand for energy storage: For the year 2030, global production of rechargeable batteries will double from today's ...