Medio ambiente
Medio ambiente
Estimating emissions potential of decommissioned gas wells from shale samples
23/04/2024
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Extracting natural gas from shale formations can provide an abundant, lower-carbon footprint fossil fuel, but also creates concerns over increased methane emissions. A team led by Penn State...
Aerogel-based phase change materials improve thermal management, reduce microwave emissions in electronic devices
23/04/2024
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Electronic devices are getting more and more complex as they are built to carry out an ever-increasing number of functions. This can be seen in the increased functionality in our personal devices...
Alkali-decorated microenvironments aid Cu single atom catalysts in CO? hydrogenation
22/04/2024
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Since the advent of industrial revolution, the accumulation of carbon dioxide (CO2) in the Earth's atmosphere has raised significant environmental and climate concerns. As a response to this pressing...
Climate impacts set to cut 2050 global GDP by nearly a fifth
21/04/2024
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Climate change caused by CO2 emissions already in the atmosphere will shrink global GDP in 2050 by about $38 trillion, or almost a fifth, no matter how aggressively humanity cuts carbon pollution,...
Scotland is ditching its flagship 2030 climate goal—why legally binding targets really matter
21/04/2024
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The Scottish government has rescinded its 2030 target of a 75% emissions cut to greenhouse gas emissions, relative to 1990. The target was statutory, meaning it had been set in law in the Emissions...
Using deep learning to image the Earth's planetary boundary layer
21/04/2024
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Although the troposphere is often thought of as the closest layer of the atmosphere to the Earth's surface, the planetary boundary layer (PBL)—the lowest layer of the troposphere—is actually the...
The Aral Sea has made Central Asia significantly dustier, according to study
18/04/2024
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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
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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...
Scientists develop framework to measure plastic emissions and bolster U.N. efforts to reduce pollution
17/04/2024
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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...
Analyzing isotopes for nitrate in sake for combating beverage fraud in Japan
17/04/2024
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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
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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
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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
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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.
Reducing CO? emissions by 20% with only a 2% economic loss
15/04/2024
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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
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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
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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
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An electricity market analysis found adding battery storage to enhance grid reliability caused power generation markets to favor coal over natural gas.
Study identifies increased threat to coastlines from concurrent heat waves and sea level rises
11/04/2024
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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,...
Research uncovers why urine sprayed by cats emits a pungent odor
10/04/2024
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Cats communicate with others through their scents. One of their scent-marking behaviors is spraying urine on vertical surfaces such as walls and furniture. Although spraying plays an essential role...
Climate pledges of big firms 'critically insufficient': Report
09/04/2024
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From carmakers to fast fashion, dozens of major international companies are failing to reduce their greenhouse gas emissions at the pace required to slow climate change, a report said Tuesday.
Study identifies atmospheric and economic drivers of global air pollution
09/04/2024
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Carbon monoxide emissions from industrial production have serious consequences for human health and are a strong indicator of overall air pollution levels. Many countries aim to reduce their...