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

Radiative cooler that cools down even under sunlight

Now that autumn is upon us, there is a large temperature gap between day and night. This is due to the temperature inversion caused by radiative cooling on the Earth's surface. Heat from the sun during the day causes its ...

Energy & Green Tech

Wind energy and wildlife share future in the skies and seas

A wealth of wind energy potential as well as rich and diverse networks of wildlife species can be found off the coasts of the United States. Coastal ecosystems range from beach dunes where turtles and birds nest, to the shallow ...

Energy & Green Tech

Open-source distributed generation market demand model

After years of development, the National Renewable Energy Laboratory (NREL) has released the open-source dGen model, marking a new era since the model launched in 2016. Public users can access model methodology and instructions, ...

Energy & Green Tech

COVID-19 renewable energy response in Africa 'meager'

As of June this year, only three Africa countries, Burkina Faso, Kenya and Nigeria promoted the use of renewable energy to control the challenges COVID-19 triggered in the sector, a study says.

Energy & Green Tech

Researchers create a new 'green' engine for lorries

Researchers from the Polytechnic University of Valencia (UPV) have designed a new engine to decrease the environmental impact of the most common type of lorries that travel on European roads—those that weigh between 18 ...

Energy & Green Tech

A renewable solution to keep cool in a warming world

Month-on-month, year-on-year, the world continues to experience record high temperatures. In response to this and exacerbated by a growing global population, it is expected that air-conditioning demand will continue to rise. ...

Energy & Green Tech

Japan to release treated Fukushima water into sea: reports

Japan will release more than a million tonnes of treated radioactive water from the stricken Fukushima nuclear plant into the sea in a decades-long operation, reports said Friday, despite strong opposition from local fishermen.

Energy & Green Tech

Electric cars, homes and shops: NJ's clean energy future?

Gasoline-powered vehicles would become a thing of the past, and nine out of every 10 buildings in New Jersey would be heated and cooled by electricity instead of natural gas or oil, under an ambitious plan laid out Thursday ...