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 ...

Energy & Green Tech

Solar-powered system extracts drinkable water from 'dry' air

Researchers at MIT and elsewhere have significantly boosted the output from a system that can extract drinkable water directly from the air even in dry regions, using heat from the sun or another source.

Energy & Green Tech

Making disorder for an ideal battery

The lithium batteries that power electronic devices and electric vehicles have a number of drawbacks. The electrolyte—the medium that enables electrons and positive charges to move between the electrodes—is a flammable ...

Energy & Green Tech

Winners and losers of energy transition

Accounting for multiple social aims other than costs is critical for transitioning from fossil fuels to renewable electricity. A new study by UNIGE proposes a viable compromise.

Energy & Green Tech

The distance local energy goes to bring power to the people

,When you go to the grocery store, you can look at an apple and know if it was grown in Chile, Washington or somewhere closer to you by a quick glance at its sticker. But consumers have largely been in the dark when it comes ...

Energy & Green Tech

Offshore wind research buoys float into California's waters

Two offshore wind research buoys managed by the U.S. Department of Energy's (DOE's) Pacific Northwest National Laboratory (PNNL) were deployed recently off the coast of California. This marks the first time the buoys have ...

Energy & Green Tech

Data show big gains for offshore wind

Global installed offshore wind capacity reached 27,064 MW in 2019—a 19% increase from the previous year. This and other trends can be found in the "2019 Offshore Wind Technology Data Update," released by NREL on behalf ...

Energy & Green Tech

2 remote Japan towns seek to host nuclear waste storage site

Two remote towns in northern Japan struggling with rapidly graying and shrinking populations signed up Friday to possibly host a high-level radioactive waste storage site as a means of economic survival.

Energy & Green Tech

Renewable player overtakes ExxonMobil in market value

After decades of embracing fossil fuels, Wall Street appears to be shifting its allegiance to renewable energy, a sharp turn apparent in the contrasting fortunes of NextEra Energy and Exxon Mobil.

Energy & Green Tech

OPEC doesn't see peak oil demand—yet

The coronavirus crisis has sparked talk that the world might have reached peak oil demand but the OPEC cartel sees crude consumption continuing to grow during the next quarter century, driven in large part by greater use ...