Energy & Green Tech news

Energy & Green Tech

Morocco mobile desalination units quench remote areas' thirst

In the small fishing village of Beddouza in western Morocco, locals have turned to the Atlantic to quench their thirst, using mobile desalination stations to combat the kingdom's persistent drought.

Energy & Green Tech

New design overcomes key barrier to safer, more efficient EV batteries

Researchers at McGill University have made a significant advance in the development of all-solid-state lithium batteries, which are being pursued as the next step in electric vehicle (EV) battery technology.

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 ...

Engineering

Cool roofs could have saved lives during London's hottest summer

As many as 249 lives could have been saved in London during the 2018 record-setting hot summer had the city widely adopted cool roofs, estimates a new study by researchers at UCL and the University of Exeter.

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

High-performance sodium ion batteries using copper sulfide

Researchers presented a new strategy for extending sodium ion batteries' cyclability using copper sulfide as the electrode material. This strategy has led to high-performance conversion reactions and is expected to advance ...

Consumer & Gadgets

Curbing indoor air pollution in India

Around the world, more than 3 billion people—nearly half the world's population—cook their food using solid fuels like firewood and charcoal on open fires or traditional stoves. This produces a lot of smoke, creating ...

Energy & Green Tech

How do lithium-ion batteries work?

The smartphone era is only just over a decade old, but the pocket-sized computers at the heart of that societal transformation are only really possible because of another technology: lithium-ion batteries.

Energy & Green Tech

20 overlooked benefits of distributed solar energy

A study released today provides the most complete list yet of the advantages of solar energy—from carbon sequestration to improvements for pollinator habitat. The paper offers a new framework for analyzing solar projects ...

Energy & Green Tech

Using building materials to monitor for high enriched uranium

A new paper details how small samples of ubiquitous building materials, such as tile or brick, can be used to test whether a facility has ever stored high enriched uranium (HEU), which can be used to create nuclear weapons. ...

Energy & Green Tech

Experiments show dramatic increase in solar cell output

In any conventional silicon-based solar cell, there is an absolute limit on overall efficiency, based partly on the fact that each photon of light can only knock loose a single electron, even if that photon carried twice ...

Engineering

AI-designed heat pumps consume less energy

In Switzerland, 50 to 60 percent of new homes are equipped with heat pumps. These systems draw in thermal energy from the surrounding environment—such as from the ground, air, or a nearby lake or river—and turn it into ...

Energy & Green Tech

Solar energy could turn the Belt and Road Initiative green

The region covered by the Belt and Road Initiative (BRI) has significant potential to be powered by solar energy, researchers report June 27 in the journal Joule. Less than 4 percent of the maximum solar potential of the ...

Energy & Green Tech

Which climates are best for passive cooling technologies?

A group of University of California, San Diego researchers set out to gain a better understanding of the thermal balance of power plants and surfaces, like heliostat mirrors or solar panels, when exposed to both solar (shortwave) ...