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Environment and development AL-BIA WAL-TANMIA Leading Arabic Environment Magazine

 
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Ammonia attracts the shipping industry, but researchers warn of its risks
5/2/2024
Fayas Malik Kanchiralla and Selma Brynolf
Ammonia attracts the shipping industry, but researchers warn of its risks Switching to ammonia as a marine fuel, with the goal of decarbonisation, can instead create entirely new problems. This is shown in a study from Chalmers University of Technology in Sweden, where researchers carried out life cycle analyses for batteries and for three electrofuels including ammonia. Eutrophication and acidification are some of the environmental problems that can be traced to the use of ammonia – as well as emissions of laughing gas, which is a very potent greenhouse gas. ...more
Resource-efficient and climate-friendly with sodium-ion batteries
13/12/2023
Rickard Arvidsson, Sanna Wickerts, Anders Nordelöf, Magdalena Svanström and Patrik Johansson
Resource-efficient and climate-friendly with sodium-ion batteries The transition to a society without fossil fuels means that the need for batteries is increasing at a rapid pace. At the same time, the increase will mean a shortage of the metals lithium and cobalt, which are key components in the most common battery types. One option is a sodium-ion battery, where table salt and biomass from the forest industry make up the main raw materials. Now, researchers from Chalmers University of Technology, Sweden, show that these sodium-ion batteries have an equivalent climate impact as their lithium-ion counterparts – without the risk of running out of raw materials. ...more
Benchmarks for Success for COP28
6/11/2023
David Waskow, Rebecca Carter, Preety Bhandari, Chikondi Thangata, Natalia Alayza, Valerie Laxton, Ed Davey, Nathan Cogswell, Jamal Srouji, Nate Warszawski
Benchmarks for Success for COP28 Floods recently wreaked havoc in Libya, damaging critical infrastructure and killing more than 6,000 people. Wildfires in Canada burned 18.5 million hectares, an area the size of Syria. September 2023 set “gobsmackingly bananas” heat records that unsettled climate scientists. ...more
75 percent of exclusive hardwood may be illegally harvested
26/10/2023
Caroline Sartorato Silva Franca and Martin Persson
75 percent of exclusive hardwood may be illegally harvested The tropical wood type ipê is popular for building exclusive wooden decks, and in North America and Europe, the demand for the material has increased sharply. Now, a study from Chalmers University of Technology, Sweden, shows that more than three-quarters of all ipê from the top producing region in Brazil could have been harvested illegally. "The study reveals where in the chain the greatest risks lie. It can be a tool to counteract illegal logging," says Caroline S.S. Franca, PhD student at Chalmers. ...more
How mercury emissions from industry can be greatly reduced
4/7/2023
Björn Wickman and Vera Roth
How mercury emissions from industry can be greatly reduced Sulphuric acid is the world’s most used chemical. It is an important reagent used in many industries and it is used in the manufacture of everything from paper, pharmaceuticals and cosmetics to batteries, detergents and fertilisers. It is therefore a worldwide challenge that sulphuric acid often contains one of the most toxic substances – mercury. Researchers at Chalmers University of Technology, Sweden, have now developed a method that can reduce the levels of mercury in sulphuric acid by more than 90 per cent– even from low levels. ...more
Gentle method allows for eco-friendly recycling of solar cells
13/4/2023
Dr. Stellan Holgersson, Dr. Burcak Ebin and Ioanna Teknetzi
Gentle method allows for eco-friendly recycling of solar cells By using a new method, precious metals can be efficiently recovered from thin-film solar cells. This is shown by new research from Chalmers University of Technology, Sweden. The method is also more environmentally friendly than previous methods of recycling and paves the way for more flexible and highly efficient solar cells. ...more
Stadium 974: What happens next to the first temporary World Cup stadium?
12/12/2022
Jack Skelton
Stadium 974: What happens next to the first temporary World Cup stadium? The World Cup's first temporary stadium will soon be dismantled after hosting seven matches in two weeks at Qatar 2022. ...more
'Doomsday glacier,' which could raise sea level by several feet, is holding on 'by its fingernails,' scientists say
6/9/2022
Angela Fritz
'Doomsday glacier,' which could raise sea level by several feet, is holding on 'by its fingernails,' scientists say Antarctica's so-called "doomsday glacier" -- nicknamed because of its high risk of collapse and threat to global sea level -- has the potential to rapidly retreat in the coming years, scientists say, amplifying concerns over the extreme sea level rise that would accompany its potential demise. ...more
The audacious PR plot that seeded doubt about climate change
27/7/2022
Jane McMullen
The audacious PR plot that seeded doubt about climate change Thirty years ago, a bold plan was cooked up to spread doubt and persuade the public that climate change was not a problem. The little-known meeting - between some of America's biggest industrial players and a PR genius - forged a devastatingly successful strategy that endured for years, and the consequences of which are all around us. ...more
Bottling the sun
14/6/2022
Boštjan Videmšek
Bottling the sun From a small hill in the southern French region of Provence, you can see two suns. One has been blazing for four-and-a-half billion years and is setting. The other is being built by thousands of human minds and hands, and is — far more slowly — rising. The last of the real sun’s evening rays cast a magical glow over the other — an enormous construction site that could solve the biggest existential crisis in human history. ...more
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