Energy & Green Tech news

Energy & Green Tech

There's a better way to cool data centers that cuts their huge thirst for water

Water is an amazing substance. The human body is made up of more than 50% water. Approximately 70% of the Earth's surface is covered by water. We drink it, bathe in it, cook with it and clean with it. It is also used to cool ...

Energy & Green Tech

Could nuclear energy solve power grid struggles? Q&A with an expert

Nuclear energy already plays a pivotal role in powering some of the largest economies in the U.S., including Illinois, Pennsylvania and Texas, and it could be key to offsetting rapidly increasing demand for electricity across ...

Engineering

For green building, 'durable is the new 'sustainable'

Reducing the negative environmental impact of buildings—globally one of the largest contributors to greenhouse gas emissions—might be even more difficult than expected. New research from Drexel University indicates that, ...

Engineering

Could urine help make EV batteries? Electricity converts urea into hydrazine for energy storage

A team of researchers from Adelaide University's School of Chemical Engineering has identified a new way to create an important chemical for energy storage using urea. Hydrazine, the chemical in question, is widely used in ...

Electronics & Semiconductors

An energy storage device designed to be recycled

Smartwatches, phones and even some drones rely on lightweight, rechargeable energy storage systems. Once those devices wear out, many end up as electronic waste. Now, researchers reporting in ACS Energy Letters have developed ...

Energy & Green Tech

Why AI may boost carbon emissions instead of cutting them

AI data centers get a bad rap, not least because of concerns that they drive climate change by consuming massive amounts of electricity. But one potentially larger impact of AI on global carbon emissions may be that it's ...

Energy & Green Tech

Green hydrogen goldmine: Discovery of a hidden energy source

As the world searches for sources of low-emission energy, researchers at Edith Cowan University (ECU) have uncovered a potential clean energy game-changer beneath Western Australia's red soil. The new study has revealed a ...

Energy & Green Tech

How cement plants can remove CO₂ from the atmosphere

Cement is one of the most in-demand building materials of our time. Every year, around 4 billion tonnes are produced. Cement production is energy-intensive, and greenhouse gases are emitted during the process—particularly ...

Energy & Green Tech

AI bot offers speedy, revenue-saving building energy modeling

Buildings researchers at the Department of Energy's Pacific Northwest National Laboratory have released a new AI-driven, autonomous bot that could help speed up the energy modeling process for commercial building construction. ...

Energy & Green Tech

Turning extreme heat into large-scale energy storage

Thermal batteries can efficiently store energy as heat. But building them requires a carefully designed system with materials that can withstand cycles of extremely high temperatures, without succumbing to problems like corrosion, ...

Business

From solar panels to solar markets: Why business models matter

Amanda Bankel's doctoral thesis explores why low-carbon technologies like solar panels do not spread as quickly as expected, even when they are affordable and technologically mature. The study shows that the problem is often ...

Electronics & Semiconductors

Lead-free thin films turn everyday vibrations into electricity

Powerful electronics don't have to come at an environmental cost. Scientists at Osaka Metropolitan University have developed high-performance, lead-free piezoelectric thin films directly on standard silicon wafers. Their ...

Robotics

Swapping batteries for hydrogen gives drones a whole new range

Researchers have built a drone that runs on hydrogen, to replace battery-powered drones that are too heavy and have too short a range. This technology could help fix power outages faster and replace dangerous helicopter missions ...