Engineering
More than a thousand cities around the world now have "net zero" pledges: they want to emit only as much CO2 into the atmosphere as they can simultaneously recapture. An elaborate meta-study has now summarized the state of ...
May 2, 2024
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32
Engineering
The construction sector today faces several challenges. Natural sand is fast becoming a scarce resource—we might run out of it by 2050. Carbon dioxide emissions, especially from manufacturing cement or fired clay bricks, ...
Mar 27, 2024
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3
Engineering
Researchers at UBC Okanagan are revisiting old building practices—the use of by-products and cast-offs—as a way to improve building materials and the sustainability of the trade.
Feb 23, 2024
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12
Energy & Green Tech
Researchers at Kyushu University have found that Japan's current policy of stopping the sale of gas vehicles by 2035 and transitioning only to hybrids and electric vehicles may be insufficient to reduce the country's CO2 ...
Feb 7, 2024
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13
Engineering
To achieve the goal of a climate-neutral Switzerland by 2050, strategies and processes with a negative CO2 balance are necessary. These so-called negative emission technologies (NET) are intended to counterbalance the remaining ...
Jan 8, 2024
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5
Engineering
Amid the rubble of large-sale earthquake, war or other disaster—and as aging buildings and infrastructure are replaced—mountains of concrete are often taken to landfill or pounded into rubble for roads.
Dec 5, 2023
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1
Energy & Green Tech
Oak Ridge National Laboratory researchers have demonstrated that an additive made from polymers and electrolytes improves the thermal performance and stability of salt hydrate phase change materials, or PCMs, a finding that ...
Nov 16, 2023
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29
Robotics
Cambridge engineers investigating the load-bearing capacity of conical shells, made from soft materials, have discovered performance-limiting weaknesses that could have implications for soft robotics—affecting the ability ...
Nov 16, 2023
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65
Engineering
ETH researchers are developing a low-carbon cement with a significantly lower embodied CO2 content than traditional cement. The Ultra Green Concrete project aims to make low-carbon, high-performance concrete widely accessible.
Nov 10, 2023
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13
Engineering
Scientists have found that concrete's compressive strength can be increased by 4.1% and its flexural strength by 3.4% by adding a small amount of coconut shell (only 5%). The material's performance increased by 6.1% compared ...
Oct 10, 2023
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