Medio ambiente
Medio ambiente
Manila confronts its plastic problem through a community-guided protocol
26/03/2024
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Governments and international organizations have touted the circular economy, in which materials and products stay in circulation for as long as possible, as an antidote to our global plastic...
Scientific drilling unravels historical mystery surrounding Santorini volcanic archipelago
25/03/2024
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An international team of scientists co-led by Dr. Steffen Kutterolf from GEOMAR Helmholtz Center for Ocean Research Kiel has found evidence of a historical submarine eruption of the Kameni volcano on...
Why recycling plastic is not a quick fix
10/03/2024
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Considering the climate crisis and worldwide plastic pollution, many people believe that recycling materials, in particular plastic, is the solution to our problems. Recycling can reduce resource...
Urchin-like CoFe-layered double hydroxide synthesized for high-efficiency electrocatalytic oxygen evolution
10/03/2024
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A research team led by Professor Wang Qi from Hefei Institutes of Physical Science, Chinese Academy of Sciences, has successfully synthesized a heterogeneous Ce@CoFe-LDH electrocatalyst by combining...
Ice cores suggest 16th-century pandemics may have caused declines in atmospheric CO?
06/03/2024
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Changes in human activity may have led to atmospheric CO2 levels declining in the 16th century, due to large-scale land use changes in the Americas during New World-Old World contact between 1450 and...
Adhesives from feathers
03/03/2024
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Adhesives are almost always based on fossil raw materials such as petroleum. Researchers at Fraunhofer have recently developed a process that allows to utilize keratin for this purpose. This highly...
lDataObj(this);" >Yanmar CE adds to growing compact track loader segment
18/02/2024
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Its first production CTL is rolling off the line for the North American market. Three more models are coming later in 2024. ...
Yanmar CE adds to growing compact track loader segment
18/02/2024
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The market for compact construction equipment is growing in North America, driven in part by high demand for compact track loaders (CTLs), according to a new Research and Markets report that...
Green methanol for the circular economy: Researchers develop new catalyst
01/02/2024
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Researchers hope to produce the raw material methanol at the edge of a field or on the farm using renewable energy. In addition to wind or sun, water and CO2 would be needed to produce the raw...
A large percentage of European plastic sent to Vietnam ends up in nature, finds study
25/01/2024
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Despite strict EU regulations on plastic recycling, there is little oversight on plastic waste shipped from the EU to Vietnam. A large percentage of the exported European plastic cannot be recycled...
Maximizing circular economy strategies for rare earth elements supply
04/01/2024
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Circular economy strategies could significantly boost the low-carbon global transition and make sure that rare earth elements (REE) do last longer, reveals new study published in Nature Geoscience.
Electromobility: A second life for electric motors
03/01/2024
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An increasing number of electric cars are being sold, consequently raising the quantity of produced electric motors. At the end of their useful life, these electric motors are shredded and then...
New insight on electrochemical reactions—advancing the green transition
11/12/2023
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Electrochemical reactions are central to green transitions. These reactions use electric current and potential difference to carry out chemical reactions, which enables binding and realizing electric...
AI data fusion could boost sustainability
31/10/2023
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A new framework that combines artificial intelligence (AI) and data fusion techniques could improve product inspection for sustainability and within the context of the so-called circular economy,...
Research team proposes innovative wearable e-textiles for a sustainable circular economy
16/10/2023
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If electronic textiles (e-textiles) are to have a sustainable future and at scale, then a transition is needed to unlock innovative wearable e-textiles that fit a sustainable circular...
Brazilian researchers develop method of purifying water contaminated by glyphosate
24/09/2023
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Researchers at São Paulo State University (UNESP) in Brazil have developed a strategy for removing glyphosate, one of the world's most frequently used herbicides, from water. Inspired by the concept...
Residents' consumption is the most important factor in carbon emissions: Study
07/09/2023
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Although urban areas account for less than 4% of the world's land area, they contribute more than 70% of global carbon emissions (CE). It is well known that the development of megacity clusters in...
Paleolimnological study attributes Tibetan Empire collapse in 9th century to climate change
06/09/2023
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The Tibetan Empire was the world's highest elevation empire, sitting over 4,000m above sea level, and thrived during 618 to 877 CE. Home to an estimated 10 million people, it spanned approximately...
Researchers propose a circular economy for rare-earth elements
18/07/2023
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Rare-earth elements (REEs) are found in smartphones, plasma screens and even artificial joints. As components of wind turbines or electric motors, they play an important role in the production of...
Governments and industry should work with industrial ecologists to build the circular economy, say scientists
28/06/2023
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Governments and companies planning to pursue the circular economy need to involve scientists more directly, states a new report published by the International Society for Industrial Ecology, and led...
Homing in on effective separation of radionuclides to fuel a circular economy
21/06/2023
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Nuclear scientists are on a mission to help create a circular economy where "waste" is a useful resource. Used nuclear fuel can be recycled, and scientists are working to understand how...