Energy & Green Tech news

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.

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," ...

Business

Clean energy transition: The impact of financial costs on the development of renewable energy sources

It is widely recognized that finance is one of the critical enablers of accelerating climate action. However, renewable energy deployment (particularly in developing countries) requires more financing than fossil fuel-based ...

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 ...

Electronics & Semiconductors

New blended solar cells yield high power conversion efficiencies

Researchers at Hiroshima University in Japan have blended together various polymer and molecular semiconductors as photo-absorbers to create a solar cell with increased power efficiencies and electricity generation. These ...

Energy & Green Tech

Fossil fuels still reign, but renewables make inroads

Five years after the signing of the Paris Climate Accord fossil fuels still dominate the energy landscape but it is renewables that are enjoying the strongest growth which even the COVID-19 crisis has not dented.

Energy & Green Tech

New findings on how to save energy in Europe's historic buildings

Through rigorous experimentation, simulation and testing, a 5 million Euro EU research project has developed guidelines on how to handle internal thermal insulation in historic buildings. The resulting guidelines are now ...

Energy & Green Tech

Two centuries of US energy usage, one interactive graphic

From wood-burning stoves to coal-fired factories to the gas and oil of the Automobile Age, the history of energy in the United States is marked by many shifts. Visually portraying these transitions over hundreds of years ...

Energy & Green Tech

Giant vertical farm opens in Denmark

A purple glow illuminates stacked boxes where lettuce, herbs and kale will soon be sprouting at one of Europe's biggest "vertical farms" which has just opened in a warehouse in an industrial zone in Copenhagen.