Why is my Alexa Echo green?
A flashing, spinning, or solid green light on your Echo device means someone is trying to get a hold of you. Here's how to turn off this incoming notification......»»
The Green Economy Is Hungry for Copper—and People Are Stealing, Fighting, and Dying to Feed It
With the possible exception of gold, no other metal has caused as much destruction as copper. In the coming years, we’ll need more of it than ever......»»
That book is poison: Even more Victorian covers found to contain toxic dyes
Old books with toxic dyes may be in universities, public libraries, private collections. Enlarge / Composite image showing color variation of emerald green bookcloth on book spines, likely a result of air pollution (credit: Winte.....»»
This year’s summer COVID wave is big; FDA may green-light COVID shots early
Wastewater SARS-CoV-2 levels suggest the summer surge is high and peaking right now. Enlarge (credit: Getty | Thomas Trutschel) With the country experiencing a relatively large summer wave of COVID-19, the Food and Drug.....»»
Green light for accurate vegetation research: Evaluation of global SIF datasets
A recent study has pinpointed the top-performing solar-induced chlorophyll fluorescence (SIF) products for precise global monitoring of photosynthesis and vegetation dynamics. By thoroughly evaluating eight widely-used SIF datasets, the research team.....»»
Green warriors: Plants on the frontline against microplastics
With escalating concerns about the enduring impact of plastic waste, phytoremediation emerges as a promising solution. This method utilizes plants to capture and degrade pollutants, providing an environmentally friendly and cost-effective alternative.....»»
"Climinator" vs. greenwashers: Researcher develops AI tool to debate climate on a factual basis
Companies like to act "green" by publishing thick environmental sustainability reports replete with photography of pristine landscapes, but precious few of them keep their promises. Finance professor Markus Leippold is using AI-based tools to fight g.....»»
New method paves the way for cost-effective and high-efficiency green hydrogen production
The principle of preventing the deterioration and oxidation of ionomers in hydrogen production through anion-exchange membrane water electrolyzers (AEMWEs) has been discovered for the first time. This breakthrough is expected to enhance both the perf.....»»
The next full moon is a supermoon blue moon
The next full moon is a supermoon, a blue moon; the sturgeon moon; the red, corn, green corn, barley, herb, grain, or dog moon; Raksha Bandhan or Rakhi Purnima; and Tu B'Av......»»
Eco-conscious fashionistas hampered by geographical barriers to return clothing
Eco-conscious consumers are not well-served by clothing companies claiming green credentials, as shoppers' location has a major impact on the effectiveness of clothing return schemes, a new study reveals......»»
Echo Spot vs. Echo Show 8: Which is best for your smart home?
The Echo Show 8 offers a larger screen and a webcam, but it's also more expensive than the affordable Echo Spot. Here's what to know before making a purchase......»»
3D laser printing with bioinks from microalgae
Microalgae such as the diatom Odontella aurita and the green alga Tetraselmis striata are especially suitable as "biofactories" for the production of sustainable materials for 3D laser printing due to their high content in lipids and photoactive pigm.....»»
Why wildfires are getting more dangerous
After more than a year of record-breaking heat, the peak of fire season is approaching across vast swathes of our green planet......»»
Green belts need modernizing—a more "multifunctional" approach can benefit people and planet
Green belts are more than just spaces; for many people, they're places providing a brief escape from the city. Land designated as green belt—and protected from building—can also store carbon and hold water at times of flooding and drought......»»
Kids" sport always cancelled due to rain-soaked grounds? Green infrastructure can help
It's been a rainy winter in many parts of Australia, wreaking havoc on kids' sporting competitions. As mums, it has been frustrating to see so many of our kids' sports matches (and training sessions) canceled because of waterlogged grounds......»»
Chemical and transportation industries could boost with new catalyst coating
Coupling electrochemical conversion of the greenhouse gas CO2 with renewable electricity sources—such as solar and wind—promises green production of high-demand chemicals and transportation fuels. Carbon dioxide coupling products such as ethylene.....»»
Green hydrogen: "Artificial leaf" becomes better under pressure
Hydrogen can be produced via the electrolytic splitting of water. One option here is the use of photoelectrodes that convert sunlight into voltage for electrolysis in so-called photoelectrochemical cells (PEC cells). A research team at HZB has now sh.....»»
Missed Prime Day? The Amazon Echo is half off at Best Buy
Best Buy has cut the price on some of its Amazon Echo speakers. Here's what you should consider buying......»»
Green synthesis of copper oxide nanoparticles from mangifera indica: A solution for agricultural disease management
A research team has successfully synthesized green copper oxide nanoparticles (CuO.NPs) from Mangifera indica (M. indica) leaf extract. The CuO.NPs showed potent activity against gram-positive and negative bacteria, as well as fungicidal effects on p.....»»
Scientists now know when an ancient lake supported human life in the Namib Sand Sea
Desert regions in northern Africa and the Arabian Peninsula have been well studied by archaeologists as the home of early humans and as routes of migration along "green corridors.".....»»
More Aussies are concerned the transition to renewables will hurt them financially
Support for Australia transitioning to renewable energy is strong across the country (with 59% support), but 41% are concerned about the negative impacts of the transition to green energy on cost-of-living and household energy bills (up 10% since 202.....»»