Medio ambiente
Medio ambiente
To address the growing issue of microplastics in the Great Lakes, we need to curb our consumption
25/07/2024
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You would be hard-pressed to find a corner of the world free from microplastics, plastic particles measuring less than five millimeters. They contaminate our drinking water, accumulate in the food we...
Scientists identify Great Salt Lake as a significant source of greenhouse gas emissions
25/07/2024
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Research by Royal Ontario Museum (ROM) examining greenhouse gas emissions from the drying lake bed of Great Salt Lake, Utah, calculates that 4.1 million tons of carbon dioxide and other greenhouse...
Unraveling how potassium bound to soil minerals is made bioavailable for uptake by plants
25/07/2024
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A combination of X-ray absorption spectroscopy and computational methods has revealed the unique bonding environment of potassium associated with organic acids.
Nondestructive flash cathode recycling method uses magnetic properties for battery recycling
25/07/2024
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A research team at Rice University led by James Tour, the T.T. and W.F. Chao Professor of Chemistry and professor of materials science and nanoengineering, is tackling the environmental issue of...
Towards net-zero energy houses: Optimizing the size of photovoltaic systems
25/07/2024
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Residential buildings account for a large percentage of global energy consumption, and many countries around the world are looking into effective solutions to this issue amidst the ongoing energy...
Yes, Australia's environment is on a depressing path—but $7 billion a year would transform it, says report
24/07/2024
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The condition of Australia's environment continues to decline. Many Australians wonder if it's possible to reverse this depressing trajectory—and our landmark assessment released today shows the...
New research proposes better carbon storage with stacked geology
24/07/2024
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The overarching goal of all carbon capture and storage projects is the same: Keep carbon dioxide (CO2) emissions out of the atmosphere by storing them in the subsurface for good.
Opening a window on environmental phenomena with new imaging technology
24/07/2024
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Data collected by satellites, drones, radars and microscopes provide a goldmine of information to better understand our environment. And when these data are coupled with artificial intelligence (AI),...
Research team develops new antimalarial agent for combating drug-resistant parasites
24/07/2024
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Malaria remains a serious health issue globally, especially in Africa. The disease is caused by protozoan parasites in the Plasmodium genus. In 2021, there were 247 million cases of malaria and...
From gray to green: Unveiling the future of renewable e-methanol for cleaner shipping fuels
24/07/2024
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Methanol is a crucial chemical feedstock and a potential green fuel, particularly for the shipping industry. Currently, its production predominantly relies on fossil feedstocks, leading to high...
Materials improve hydrogen production from water using microwave radiation
24/07/2024
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A research team has developed the design of materials that improve the process of obtaining hydrogen from water using microwave radiation. The process allows hydrogen to be obtained from renewable...
Electrothermal mineralization process offers more environmentally friendly, cost-effective method for soil remediation
23/07/2024
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Rice University chemist James Tour has led a research team to develop a rapid electrothermal mineralization (REM) process, which in seconds can remediate the accumulation of synthetic chemicals that...
Scientists say sun's influence penetrates into deep Earth
23/07/2024
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For years, scientists believed that changes in the Earth's interior, such as volcanic eruptions and tectonic plate collisions, primarily affected the surface environment. Events such as the mass...
Examining progress on volatile organic compound pollution control via the catalytic method
23/07/2024
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Volatile organic compounds (VOCs), with toxicity and irritability, could cause atmospheric environmental problems such as haze and photochemical smog, seriously threatening the ecological environment...
Innovative method uses oxygen and light to recycle unsaturated polymers
23/07/2024
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A study published in Cell Reports Physical Science showcases a novel method for the recycling of unsaturated polymers such as rubber and plastics.
Study shows abrasion emissions from trains can have an environmental impact
23/07/2024
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In addition to exhaust emissions, abrasion emissions from tires and brakes have become increasingly important when assessing the environmental impact of traffic. However, the focus here was on road...
Message in a bottle: Combining mixed-color glass an option to boost recycling
23/07/2024
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The glass bottles we toss in the recycling bin don't always end up where we expect. Only about 33% of glass is recycled in the United States, according to the Environmental Protection Agency, partly...
Enhancing the performance, stability of solid oxide cells via in-situ forming of dual phase strontium lanthanum ferrate
23/07/2024
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Solid oxide fuel cell (SOFC) is a highly efficient and clean advanced energy conversion technology that converts chemical energy directly into electrical energy through electrochemical reactions and...
Study estimates land use change emissions for six aviation fuel pathways
22/07/2024
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A new IIASA-led study offers the first detailed estimates of land use change emissions for six sustainable aviation fuel production pathways. The authors focused on both food and non-food raw...
Converting captured carbon to fuel: Study assesses what's practical and what's not
22/07/2024
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The struggle to cut emissions is real. Last year, the world emitted more than 37 billion metric tons of carbon dioxide, setting a new record high. As a result, sucking CO2 out of the atmosphere has...
Sodium-ion batteries are set to spark a renewable energy revolution
22/07/2024
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The extent to which renewables should dominate Australia's energy grids is a major issue in science and politics. Solar and wind are clearly now the cheapest form of electricity. But limits to these...