Energy & Green Tech news

Business

Green subsidies may have hidden costs, experts warn

Government subsidies for business practices and processes should be approached with caution, even when they seem to be environmentally friendly, writes a group of scientists and economists in this week's Policy Forum in the ...

Energy & Green Tech

Building deconstruction, reuse would benefit New York State jobs, climate

Shifting from wasteful demolition practices to a circular construction economy in New York state could unlock unrealized economic activity, create thousands of green jobs and advance ambitious climate goals—while reducing ...

Engineering

Engineers develop solar-powered lithium extraction from brine

A team of engineers at Nanjing University, working with a pair of colleagues from the University of California, Berkeley, has developed a new way to extract lithium from briny water.

Engineering

New research unlocks potential of electrochemical separation for water treatment and resource extraction

A team of Vanderbilt researchers has developed novel technology called electrochemical ion pumping (EIP) that could revolutionize the treatment of water and resource extraction.

Engineering

New technique streamlines early-stage battery development

From current on-road vehicles to future electrified aircraft, the safety and reliability of energy storage systems is critical across battery applications. Before entering the market, all battery systems undergo thorough ...

Business

High costs slow widespread use of heat pumps in UK, study shows

The high cost of installing heat pumps for home heating could slow down people widely adopting the technology and leave government targets missed, research suggests. There has been a little to no reduction in the average ...

Engineering

Soda production process eliminates CO₂ emissions

Fraunhofer researchers and their partners have developed an innovative and eco-friendly method of producing soda, essential for a wide range of industries, in the Green Soda project. The process is based on bipolar electrodialysis ...

Energy & Green Tech

China drives record growth in renewable energy jobs: report

A record 2.5 million jobs were created in the renewable energy sector in 2023, most of them in China, the International Renewable Energy Agency and International Labor Organization said on Tuesday.

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

Getting to zero emissions: A call for unified energy planning

As competition between gas and electric utilities heats up due to clean energy-promoting policies that emphasize replacing gas with electricity, state regulators need to overhaul their approach to regulation, argue scholars ...

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.

Energy & Green Tech

Why does my phone battery die so fast?

Why do batteries die? And, why can they only be recharged so many times before they won't hold a useful amount of charge? My young son asked me about that years ago when his battery-powered toy car stopped moving, wondering ...

Energy & Green Tech

This solar greenhouse could change the way we eat

Greenhouses have a long list of benefits: higher food production, less water use, potentially less pesticide use, a year-round growing season. There's a problem: they're expensive, both to install and to operate. But thanks ...

Energy & Green Tech

Organic Mega Flow Battery transcends lifetime, voltage thresholds

To sustain human civilization in the future, clean energy sources must be harnessed to replace the fossil fuels that are now polluting our atmosphere. Solar and wind energy can supply all the necessary energy. However, storage ...

Energy & Green Tech

Inside view could make organic solar cells more efficient

Organic solar cells have the potential to become a source of renewable energy which is inexpensive and fast to roll out and scale up. Physicists at the University of Oxford have explored some of the scientific fundamentals ...

Energy & Green Tech

Liquid-metal, high-voltage flow battery

A new combination of materials developed by Stanford researchers may aid in developing a rechargeable battery able to store the large amounts of renewable power created through wind or solar sources. With further development, ...

Energy & Green Tech

Airbus unveils pioneering solar-powered drone

European air giant Airbus on Wednesday unveiled a solar-powered drone called Zephyr that will fly at a high altitude and fulfil the same functions as a satellite.

Energy & Green Tech

Cooling buildings worldwide

About 40 percent of all the energy consumed by buildings worldwide is used for space heating and cooling. With the warming climate as well as growing populations and rising standards of living—especially in hot, humid regions ...

Energy & Green Tech

Salt is key ingredient for cheaper and more efficient batteries

A new design of rechargeable battery, created using salt, could lead the way for greener energy. Researchers at the University of Nottingham Ningbo China (UNNC) have joined forces with a specialist group at the Shanghai Institute ...