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Aecon and Concordia team up for low-carbon construction

Toronto-listed contractor Aecon has joined Montreal’s Concordia University to research new low-carbon construction materials through a three-year memorandum of understanding (MOU). They’ll research low-carbon concrete while exploring opportunities for pilot…

UNStudio designs mixed-use low-carbon Luxembourg tower

Dutch architect UNStudio and Luxembourg’s HYP Architects have won a competition to design the Kyklos building, a mixed-use project with sustainability at the heart of its design. Kyklos is located…

Riyadh to get carbon-negative concrete plant

Saudi developer Roshn and US concrete maker Partanna plan to build a carbon-negative concrete factory near Riyadh. Partanna’s method uses a brine activator to cure concrete at room temperature, consuming…

European construction bodies issue low-carbon manifesto

Three big construction sector bodies in Europe yesterday published a manifesto on achieving carbon and resource neutrality, outlining a long-term plan to cut greenhouse gas emissions and use less materials.…

Heidelberg Materials unveils ‘first net-zero cement’

Heidelberg Materials has produced what it describes as the “world’s first carbon-captured net-zero cement”. Heidelberg says the carbon capturing process was used at its plant in Brevik, Norway, and has…

Image courtesy of ThyssenKrupp

Jacobs picked to manage decarbonisation of Europe’s largest steel mill

US engineer Jacobs has been selected by ThyssenKrupp to manage the decarbonisation of Europe’s largest steel mill in Duisburg, western Germany. The project involves substituting coke blast furnaces with hydrogen-powered…

The current VAT discount creates a “perverse” incentive to demolish and rebuild, says CIOB (Angela Baker/Unsplash)

Increase VAT on demolition to cut carbon, CIOB tells Ireland

The Chartered Institute of Building (CIOB) has called on the Irish government to raise the Value Added Tax (VAT) on demolition projects from the discounted rate of 13.5% to the…

World’s largest medical complex to have low-carbon concrete extension

Mexican cement company Cemex is to provide 20,000 cubic yards of low-carbon concrete for an extension to Houston Methodist’s Centennial Tower, the world’s largest medical complex. Structural work on the…

A scene from the royal inauguration of the Diriyah Gate giga project (Courtesy of the Diriyah Gate Development Authority)

Carbon-negative concrete maker Partanna inks deal with Diriyah giga project

US carbon-negative concrete maker Partanna says it will set up a factory in Saudi Arabia after signing a collaboration agreement with the developer of the $63.2bn Diriyah tourism giga project.…

Construction of a mall in California (Mel Surdin/Dreamstime)

California to limit carbon emissions in commercial and educational buildings

The state of California will issue new rules limiting the embodied carbon allowed in commercial buildings larger than 100,000-sq-ft in area and school projects over 50,000-sq-ft. Embodied carbon means the…

Boston City Hall (Lei Xu/Dreamstime)

Boston bans use of fossil fuels to power the construction of public buildings

Boston’s mayor’s office has issued an executive order forbidding the use of fossil fuels during construction and major renovation projects on city-owned buildings. The move is effective for all new…

Croatia’s Split Airport opened its new terminal in 2019 (SPQST/CC BY-SA 4.0)

Atkins, IATA create carbon-measuring tools for airports

Atkins, a member of the SNC-Lavalin Group, has teamed up with the International Air Transport Association (IATA) to create digital tools for airports to estimate the embodied carbon in new…

Ranging in size from 400 to 900 sq ft, the homes use a cement replacement material (Courtesy of Eco Material Technologies)

First low-carbon, affordable homes printed in Texas

A US-based 3D print construction company, Hive 3D, is printing five affordable homes made with near-zero carbon concrete in the tiny Texas town of Round Top, west of Houston. It…

(Piotr Kuczek/Dreamstime)

Skanska USA creates construction decarbonisation taskforce

Skanska USA has partnered with the Associated General Contractors of America (AGC) to create a taskforce focusing on decarbonisation and carbon reporting, with the aim of creating a standardised guidebook…

Concrete (Sommersby/Dreamstime)

“No time to lose”: UN urges concrete manufacturers to plan for net zero

António Guterres, the UN secretary general, has called on cement makers to eliminate their carbon emissions by 2050. Speaking at a meeting in Zürich, Guterres and Thomas Guillot, the chief…

Red Sea Global chief executive John Pagano, second from left, with Partanna co-founder Rick Fox announcing the purchase agreement (Courtesy of Red Sea Global)

Red Sea tourism scheme pilots carbon negative concrete

Saudi tourism developer Red Sea Global (RSG) has agreed to lay carbon-negative concrete pavers at its large landscape nursery in Saudi Arabia. The pavers are made by Partanna, which claims…

Graduate student Zhipeng Li and Professor Xianming Shi (Washington State University)

Researchers find way to make carbon-negative concrete

Researchers at Washington State University (WSU) have discovered that adding charcoal to cement can result in a concrete that absorbs more carbon than is created by its production thanks to…

Saint-Gobain says its plaster products are the most sustainable in the world (Unsplash/Henry & Co)

Saint-Gobain to produce zero-carbon plasterboard

French materials producer Saint-Gobain has begun production of zero-carbon plasterboard at its modernised plant in Fredrikstad, southeast Norway. The company says its decarbonisation of the manufacturing process was made possible…

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