Medio ambiente
Medio ambiente
The Aral Sea has made Central Asia significantly dustier, according to study
18/04/2024
-
The drying up of the Aral Sea has made Central Asia 7% dustier in the last 30 years. Between 1984 and 2015, dust emissions from the growing desert almost doubled from 14 to 27 million tons. This is...
Biden administration set to deny 200-mile Ambler mining road through Alaska wilderness
18/04/2024
-
The U.S. Department of the Interior is expected to issue an environmental report that recommends denying a permit needed to build a 200-mile access road to the Ambler mining district, according to...
Researchers realize hydrogen formation by contact electrification of water microdroplets and its regulation
18/04/2024
-
Direct utilization of water as a source of hydrogen atoms and molecules is fundamental to the evolution of the ecosystem and industry. However, liquid water is an unfavorable electron donor for...
Engineers design spider-like robot that may be used to explore caves on Mars
18/04/2024
-
A team of roboticists and mechanical and aeronautical engineers at Stanford University has developed a spider-like robot for possible use in exploring caves or lava tubes on Mars. In their paper...
Environment recognition technologies for off-road self-driving with improved real-time processing performance
18/04/2024
-
Off-road environment recognition technologies for detecting extraneous substances such as dust, mud, snow, or rain during off-road autonomous driving of construction machinery, agricultural machines,...
Scientists develop framework to measure plastic emissions and bolster U.N. efforts to reduce pollution
17/04/2024
-
University of Toronto (U of T) scientists have developed a framework for measuring plastic pollution emissions akin to the global standard for measuring greenhouse gas emissions. The researchers say...
Cold Coulomb crystals, cosmic clues: Unraveling the mysteries of space chemistry
17/04/2024
-
While it may not look like it, the interstellar space between stars is far from empty. Atoms, ions, molecules, and more reside in this ethereal environment known as the Interstellar Medium (ISM). The...
Analyzing isotopes for nitrate in sake for combating beverage fraud in Japan
17/04/2024
-
The demand for sake, a Japanese alcoholic drink, has increased globally. However, the rise in the popularity of sake has the potential for related beverage fraud. To address this issue, researchers...
Decarbonization scenario model analyzes ambitious pathways to net-zero carbon emissions
17/04/2024
-
While the world would love to have a quick fix, there is no one specific pathway to stop or slow the rate of climate change.
Study quantifies ecological restoration effectiveness on greenhouse gas emissions
16/04/2024
-
Increasing atmospheric concentrations of greenhouse gases (GHGs) are having irreversible consequences for the future of the Earth. However, the general pattern of the impacts of ecological...
Most countries are struggling to meet climate pledges from 2009, emissions tracking study shows
16/04/2024
-
Nineteen out of 34 countries surveyed failed to fully meet their 2020 climate commitments set 15 years ago in Copenhagen, according to a new study led by UCL researchers.
New insight about the working principles of bipolar membranes could guide future fuel cell design
16/04/2024
-
Bipolar membranes are a class of ion-conductive polymers comprised of two oppositely charged layers, known as the cation-exchange and anion-exchange layer. These membranes are central to the...
Reducing CO? emissions by 20% with only a 2% economic loss
15/04/2024
-
A "rapid and far-reaching change" is necessary to prevent catastrophic climate change, according to the Intergovernmental Panel on Climate Change (IPCC). "However, the transformation...
Switch to green wastewater infrastructure could reduce emissions and provide huge savings, new research finds
15/04/2024
-
University researchers have shown that a transition to green wastewater-treatment approaches in the U.S. that leverages the potential of carbon-financing could save a staggering $15.6 billion and...
Making cement is very damaging for the climate. One solution is opening in California
14/04/2024
-
It's a major contributor to climate change—the way buildings and roads are made with concrete. It's also a problem that's growing as more of the world develops. So the race has been on to find...
Integrating battery storage into electrical grids can sometimes increase emissions due to market forces
14/04/2024
-
An electricity market analysis found adding battery storage to enhance grid reliability caused power generation markets to favor coal over natural gas.
Retention ponds can deliver a substantial reduction in tire particle pollution, study suggests
14/04/2024
-
Retention ponds and wetlands constructed as part of major road schemes can reduce the quantities of tire particles entering the aquatic environment by an average of 75%, new research has shown.
Can toothpaste tubes be recycled across the US? It's getting closer
14/04/2024
-
Toothpaste tubes and other squeezable plastic containers are getting closer to being more sustainable in the U.S. Some 90% of toothpaste tubes on the market are now made in a way that makes them...
As climate change progresses, new rainfall patterns may affect plants worldwide
14/04/2024
-
April showers are increasingly becoming deluges due to climate change, and May flowers will never be the same. And it's not just April; the warming of the planet is causing a year-round, worldwide...
Researchers study effects of solvation and ion valency on metallopolymers
14/04/2024
-
In a new paper published in JACS Au, researchers at the University of Illinois Urbana-Champaign analyzed the effects of solvation and ion valency on metallopolymers, with implications for critical...
Study identifies increased threat to coastlines from concurrent heat waves and sea level rises
11/04/2024
-
Concurrent occurrences of heat waves and extreme short-term sea level rises at the same coastal locations significantly increased between 1998 and 2017 when compared to the preceding 20 years,...