Clik here to view.
Wake-up timer saves power for I.o.T. sensors
Researchers have created a low-cost, “battery-less” wake-up timer—in the form of an on-chip circuit—that significantly reduces the power consumption of silicon chips for Internet of Things (IoT) sensor...
View ArticleClik here to view.
As temperatures rise, so will China’s energy use
Chinese residential electricity consumption will increase a lot because of climate change, a new study estimates. By the end of the 21st century, each degree Celsius increase in global mean surface...
View ArticleClik here to view.
Cheap clothes come at a high environmental cost
The overabundance of fast fashion—readily available, inexpensively made clothing—has created an environmental and social justice crisis, the authors of a new paper argue. “From the growth of...
View ArticleClik here to view.
Road repairs cut greenhouse gas emissions
Keeping road pavement in good shape saves money and energy and reduces greenhouse gas emissions, more than offsetting pollution generated during road construction, according to a new study. Extending...
View ArticleClik here to view.
Why don’t birds fly into each other?
Fish and birds are able to move in groups without separating or colliding due to a newly discovered dynamic, researchers report: the followers interact with the wake that the leaders leave behind. The...
View ArticleClik here to view.
Machine learning lets old building use less heat
Using machine learning to improve weather forecasts could help save energy, according to new research. If the forecast calls for rain, you’ll probably pack an umbrella. If it calls for cold, you may...
View ArticleClik here to view.
‘Openness’ is key to how locals feel about wind turbines
When local residents feel the planning process for building wind turbines is fair and open, their perceptions of wind energy remain steady or improve with time, according to a new study. In fact, the...
View ArticleClik here to view.
There’s a better way to grow plants for biofuel
Strategies to produce high yields of biomass for fuels are not a one-size-fits-all proposition, according to a new study. In efforts to curb our use of greenhouse gas-generating fossil fuels,...
View ArticleClik here to view.
Earth has more green area, but that’s not quite good news
It seems obvious that “greening” of the planet would be good for reducing atmospheric carbon, but a closer look shows that not all leaves are equally valuable. Chi Chen, a Boston University graduate...
View ArticleClik here to view.
Fireflies inspire new energy-saving LED light bulbs
Light-emitting diodes made with firefly-mimicking structures could improve efficiency, new research suggests. The new type of LED light bulb could one day light homes while reducing power bills,...
View ArticleClik here to view.
What are the real health effects of coal power?
China and the US are the two largest producers of coal power, but power plants in India take the highest toll in the world when it comes to health, according to new research. To estimate where in the...
View ArticleClik here to view.
Better battery recycling can cut electric car emissions
Better recycling processes can help ensure that lithium-ion batteries don’t undo the environmental benefits of electric cars, according to new research. The widespread implementation of electric...
View ArticleClik here to view.
Team finds greener source for your phone’s rare earth elements
Researchers have discovered a possible new source of rare earth elements—phosphate rock waste—and an environmentally friendly way to get them out. Rare earth elements like neodymium and dysprosium are...
View ArticleClik here to view.
Water-splitting system pulls green fuel from seawater
Researchers have devised a way to generate hydrogen fuel using solar power, electrodes, and saltwater from San Francisco Bay. The findings demonstrate a new way of separating hydrogen and oxygen gas...
View ArticleClik here to view.
Nepal’s rivers give green power to remote areas
Researchers are investigating a method of creating power from fast moving streams that many rural areas in Nepal use. They’re looking into why some of these systems work better than others, and whether...
View ArticleClik here to view.
Solvent offers ‘blue-green’ way to recycle batteries
Scientists have come up with a way to deal with the glut of used lithium-ion batteries that old electric vehicles, cellphones, and other electronic devices leave behind. Pulickel Ajayan, professor of...
View ArticleClik here to view.
How will flying cars affect the environment?
Flying cars, formally known as electric vertical takeoff and landing aircraft, or VTOLs, may not be suitable for short trips, researchers report. However, VTOLs—which combine the convenience of...
View ArticleClik here to view.
New structures pave way for higher-capacity hydrogen fuel cells
New metal organic frameworks may boost the performance of hydrogen fuel cells to new heights, new research suggests. A hydrogen fuel cell is a zero-harmful-emissions power source that acts like a cross...
View ArticleClik here to view.
Electricity-eating microbes could make bioplastics
Scientists have figured out a way to feed electricity to microbes to grow truly green, biodegradable bioplastics, according to a new study. The research comes from the idea that engineers can use...
View ArticleClik here to view.
Durable or recyclable? These goals tend to clash
Solar power has seen a boom, but what happens to all the panels in a few decades when they’re no longer useful? And what about electronic devices with even shorter life spans? “Fifteen to 20 years from...
View Article