Concrete production is among the largest contributors to climate change, accounting for about eight per cent of global carbon dioxide emissions.
That is why it is a priority to find less environmentally harmful building materials if the world is to achieve net zero.
A study in the Applied Clay Science journal shows brick manufacturing accounts for 2.7 per cent of global carbon emissions, with the kilns where bricks are fired having a significant footprint.
Producing concrete releases large amounts of carbon because of the process that generates clinker, a key ingredient of cement that, alongside water and the likes of sand and gravel, is a main component of concrete.
Carbon dioxide is given off during the production of clinker.
The International Energy Agency states that, along with other measures, using alternatives to clinker will play a significant role in helping the cement sector to achieve net zero by 2050.
Researchers at the American University of Ras Al Khaimah are analysing the properties of concrete when 5 per cent, 10 per cent or 15 per cent of the cement is replaced with rice ash husk.
Many other research groups around the world have investigated the use of this silica-rich material, which offers strength and stability.
Another approach has been taken in Germany by the Technical University of Dresden and an architectural company called Henn, who said last year that they constructed the world’s first building using "carbon concrete", in which the concrete was reinforced carbon fibre, instead of steel.
The carbon fibre is only a quarter of the weight of steel but is six times stronger, Henn said.
Other ways to strengthen concrete are being examined, with the Rensselaer Polytechnic Institute in the US working to develop reinforcing bars made from natural fibres such as hemp and flax, bound up with plastic.
The production of these bars is more environmentally friendly than that of steel reinforcing bars – and they act as a carbon store.
Biochar, a carbon-rich charcoal-like substance, is also involved in carbon storage and is used as a component of the external cladding of buildings, something that has been tested in Germany.
In the UK, Cambridge Carbon Capture has developed a method to produce lightweight bricks made by bubbling air through a slurry of magnesium oxide.
Carbon dioxide from the air combines with the magnesium oxide to create magnesium carbonate, which can be dried to produce the bricks. This method represents a way of actually taking carbon dioxide out of the atmosphere.
Another brick in the wall
Kenoteq, a company in Scotland that was spun out of Heriot-Watt University, which has a campus in Dubai, aims to cut carbon emissions by producing a brick using recycled materials including plasterboard, brick, mortar, rubble or stone.
Lucy Black, head of business development at the company, said the embodied carbon of its K-Briqs is less than five per cent that of standard bricks.
"The K-Briq is comparable in terms of technical performance to a traditional clay and concrete brick, but our unique selling point is the fact it’s made out of recycled material and has a very low carbon footprint," she said.
"Most building materials are made from raw materials and subject to extraction and mining. That’s a hugely energy and carbon-intensive process. Additionally, our raw materials are finite and the Earth is beginning to run out."
The process uses materials that would often have ended up in landfill, with Ms Black saying that construction waste accounts for about 40 per cent of all the world’s waste.
The bricks, made in a range of colours, are currently available for interior use. The company is in the final stages of securing certification for external applications in the UK, Europe and the US.
Local solutions
Local production processes could be set up under licence so that local waste could be used, rather than materials that have to be shipped long distances. This would also provide a solution to the local waste problem and provide jobs, the company said.
"We’ve been out at Cop28 and had discussions in the UAE and there’s a lot of interest there," Ms Black said.
Kenoteq supplied bricks that Dubai Holding used for its exhibition space at the climate change summit last year and Ms Black said the display had now been transferred to the UAE company’s headquarters.
In another recycling project, researchers at the University of Cambridge have developed a method in which used cement is employed in place of lime flux in electric arc furnaces, which recycle steel.
At the end of the process, the used cement – said to have similar characteristics to new cement – can be recycled into concrete.
"The proposed process may be economically competitive, and if powered by emissions-free electricity, can lead to zero-emissions cement while also reducing the emissions of steel recycling by reducing lime flux requirements," the researchers wrote this year in the Nature journal.
The final straw
As well as new high-tech methods for building construction, efforts are being made to revive older technology. At the University of Plymouth in the UK, Prof Steve Goodhew leads the CobBauge project, which has developed a new way to use cob, a traditional building material made from soil, straw, water and lime.
The aim, he said, is to "take the material into the 21st century" by giving it the insulation properties required by modern building regulations.
"There’s an awful lot of anecdotal evidence from people who live in these type of buildings that the material is warm in winter and cool in summer," Prof Goodhew said.
The approach, tested on two demonstration buildings in Normandy and at the university’s campus, involves having a layer of cob (with about 2.5 per cent straw) to provide structural support, and a light earth layer (a mix of earth and the inside part of the hemp stalk) to moderate heat loss or gain.
By reducing the amount of heat that passes through the wall, the thermal light earth layer helps the cob meet building regulations that, in turn, means contractors can use the material in construction projects.
The embodied carbon of buildings made from cob is far less than that of a standard concrete or brick building, researchers said.
There is a long tradition of using cob in the Middle East. In Yemen, some Unesco World Heritage List buildings that are up to seven storeys tall are made from the material, Prof Goodhew said. Yemeni cob buildings are made from relatively thin sun-dried blocks put together with earth mortar and are often finished with a lime rendering, he explained.
"The only issue is that the walls have to be thicker and in Yemen that’s the case," he said. "As the buildings get taller, the walls taper towards the upper storey so the structural bearing capacity can be maintained."
Cob tends to be unsuitable for very tall buildings, due to the thickness of the walls necessary to support the increased loads, but it is an appealing option for low-rise construction in areas with clay-rich soils.
If properly constructed and maintained, cob buildings can last as long as standard masonry construction, as shown by the continued presence in south-west England of 16th-century cob-based dwellings.
COMPANY PROFILE
Name: Kumulus Water
Started: 2021
Founders: Iheb Triki and Mohamed Ali Abid
Based: Tunisia
Sector: Water technology
Number of staff: 22
Investment raised: $4 million
Herc's Adventures
Developer: Big Ape Productions
Publisher: LucasArts
Console: PlayStation 1 & 5, Sega Saturn
Rating: 4/5
Rooney's club record
At Everton Appearances: 77; Goals: 17
At Manchester United Appearances: 559; Goals: 253
The specs: 2018 BMW R nineT Scrambler
Price, base / as tested Dh57,000
Engine 1,170cc air/oil-cooled flat twin four-stroke engine
Transmission Six-speed gearbox
Power 110hp) @ 7,750rpm
Torque 116Nm @ 6,000rpm
Fuel economy, combined 5.3L / 100km
Watch live
The National will broadcast live from the IMF on Friday October 13 at 7pm UAE time (3pm GMT) as our Editor-in-Chief Mina Al-Oraibi moderates a panel on how technology can help growth in MENA.
You can find out more here
QUARTER-FINAL
Wales 20-19 France
Wales: T: Wainwright, Moriarty. Cons: Biggar (2) Pens: Biggar 2
France: T: Vahaamahina, Ollivon, Vakatawa Cons: Ntamack (2)
Company profile: buybackbazaar.com
Name: buybackbazaar.com
Started: January 2018
Founder(s): Pishu Ganglani and Ricky Husaini
Based: Dubai
Sector: FinTech, micro finance
Initial investment: $1 million
Mercer, the investment consulting arm of US services company Marsh & McLennan, expects its wealth division to at least double its assets under management (AUM) in the Middle East as wealth in the region continues to grow despite economic headwinds, a company official said.
Mercer Wealth, which globally has $160 billion in AUM, plans to boost its AUM in the region to $2-$3bn in the next 2-3 years from the present $1bn, said Yasir AbuShaban, a Dubai-based principal with Mercer Wealth.
“Within the next two to three years, we are looking at reaching $2 to $3 billion as a conservative estimate and we do see an opportunity to do so,” said Mr AbuShaban.
Mercer does not directly make investments, but allocates clients’ money they have discretion to, to professional asset managers. They also provide advice to clients.
“We have buying power. We can negotiate on their (client’s) behalf with asset managers to provide them lower fees than they otherwise would have to get on their own,” he added.
Mercer Wealth’s clients include sovereign wealth funds, family offices, and insurance companies among others.
From its office in Dubai, Mercer also looks after Africa, India and Turkey, where they also see opportunity for growth.
Wealth creation in Middle East and Africa (MEA) grew 8.5 per cent to $8.1 trillion last year from $7.5tn in 2015, higher than last year’s global average of 6 per cent and the second-highest growth in a region after Asia-Pacific which grew 9.9 per cent, according to consultancy Boston Consulting Group (BCG). In the region, where wealth grew just 1.9 per cent in 2015 compared with 2014, a pickup in oil prices has helped in wealth generation.
BCG is forecasting MEA wealth will rise to $12tn by 2021, growing at an annual average of 8 per cent.
Drivers of wealth generation in the region will be split evenly between new wealth creation and growth of performance of existing assets, according to BCG.
Another general trend in the region is clients’ looking for a comprehensive approach to investing, according to Mr AbuShaban.
“Institutional investors or some of the families are seeing a slowdown in the available capital they have to invest and in that sense they are looking at optimizing the way they manage their portfolios and making sure they are not investing haphazardly and different parts of their investment are working together,” said Mr AbuShaban.
Some clients also have a higher appetite for risk, given the low interest-rate environment that does not provide enough yield for some institutional investors. These clients are keen to invest in illiquid assets, such as private equity and infrastructure.
“What we have seen is a desire for higher returns in what has been a low-return environment specifically in various fixed income or bonds,” he said.
“In this environment, we have seen a de facto increase in the risk that clients are taking in things like illiquid investments, private equity investments, infrastructure and private debt, those kind of investments were higher illiquidity results in incrementally higher returns.”
The Abu Dhabi Investment Authority, one of the largest sovereign wealth funds, said in its 2016 report that has gradually increased its exposure in direct private equity and private credit transactions, mainly in Asian markets and especially in China and India. The authority’s private equity department focused on structured equities owing to “their defensive characteristics.”
GIANT REVIEW
Starring: Amir El-Masry, Pierce Brosnan
Director: Athale
Rating: 4/5
UAE currency: the story behind the money in your pockets
Yahya Al Ghassani's bio
Date of birth: April 18, 1998
Playing position: Winger
Clubs: 2015-2017 – Al Ahli Dubai; March-June 2018 – Paris FC; August – Al Wahda
The burning issue
The internal combustion engine is facing a watershed moment – major manufacturer Volvo is to stop producing petroleum-powered vehicles by 2021 and countries in Europe, including the UK, have vowed to ban their sale before 2040. The National takes a look at the story of one of the most successful technologies of the last 100 years and how it has impacted life in the UAE.
Read part four: an affection for classic cars lives on
Read part three: the age of the electric vehicle begins
Read part one: how cars came to the UAE
Griselda
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57%20Seconds
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'Worse than a prison sentence'
Marie Byrne, a counsellor who volunteers at the UAE government's mental health crisis helpline, said the ordeal the crew had been through would take time to overcome.
“It was worse than a prison sentence, where at least someone can deal with a set amount of time incarcerated," she said.
“They were living in perpetual mystery as to how their futures would pan out, and what that would be.
“Because of coronavirus, the world is very different now to the one they left, that will also have an impact.
“It will not fully register until they are on dry land. Some have not seen their young children grow up while others will have to rebuild relationships.
“It will be a challenge mentally, and to find other work to support their families as they have been out of circulation for so long. Hopefully they will get the care they need when they get home.”
Tips for newlyweds to better manage finances
All couples are unique and have to create a financial blueprint that is most suitable for their relationship, says Vijay Valecha, chief investment officer at Century Financial. He offers his top five tips for couples to better manage their finances.
Discuss your assets and debts: When married, it’s important to understand each other’s personal financial situation. It’s necessary to know upfront what each party brings to the table, as debts and assets affect spending habits and joint loan qualifications. Discussing all aspects of their finances as a couple prevents anyone from being blindsided later.
Decide on the financial/saving goals: Spouses should independently list their top goals and share their lists with one another to shape a joint plan. Writing down clear goals will help them determine how much to save each month, how much to put aside for short-term goals, and how they will reach their long-term financial goals.
Set a budget: A budget can keep the couple be mindful of their income and expenses. With a monthly budget, couples will know exactly how much they can spend in a category each month, how much they have to work with and what spending areas need to be evaluated.
Decide who manages what: When it comes to handling finances, it’s a good idea to decide who manages what. For example, one person might take on the day-to-day bills, while the other tackles long-term investments and retirement plans.
Money date nights: Talking about money should be a healthy, ongoing conversation and couples should not wait for something to go wrong. They should set time aside every month to talk about future financial decisions and see the progress they’ve made together towards accomplishing their goals.
Panipat
Director Ashutosh Gowariker
Produced Ashutosh Gowariker, Rohit Shelatkar, Reliance Entertainment
Cast Arjun Kapoor, Sanjay Dutt, Kriti Sanon, Mohnish Behl, Padmini Kolhapure, Zeenat Aman
Rating 3 /5 stars
Everybody%20Loves%20Touda
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Benefits of first-time home buyers' scheme
- Priority access to new homes from participating developers
- Discounts on sales price of off-plan units
- Flexible payment plans from developers
- Mortgages with better interest rates, faster approval times and reduced fees
- DLD registration fee can be paid through banks or credit cards at zero interest rates
RACE CARD
6.30pm: Handicap (TB) $68,000 (Dirt) 1,600m
7.05pm: Meydan Sprint – Group 2 (TB) $163,000 (Turf) 1,000m
7.40pm: Curlin Stakes – Listed Handicap (TB) $88,000 (D) 2,200m
8.15pm: UAE Oaks – Group 3 (TB) $125,000 (D) 1,900m
8.50pm: Zabeel Mile – Group 2 (TB) $163,000 (T) 1,600m
9.25pm: Balanchine – Group 2 (TB) $163,000 (T) 1,800m
10pm: Al Shindagha Sprint – Group 3 (TB) $130,000 (D) 1,200m
Terror attacks in Paris, November 13, 2015
- At 9.16pm, three suicide attackers killed one person outside the Atade de France during a foootball match between France and Germany
- At 9.25pm, three attackers opened fire on restaurants and cafes over 20 minutes, killing 39 people
- Shortly after 9.40pm, three other attackers launched a three-hour raid on the Bataclan, in which 1,500 people had gathered to watch a rock concert. In total, 90 people were killed
- Salah Abdeslam, the only survivor of the terrorists, did not directly participate in the attacks, thought to be due to a technical glitch in his suicide vest
- He fled to Belgium and was involved in attacks on Brussels in March 2016. He is serving a life sentence in France
Key products and UAE prices
iPhone XS
With a 5.8-inch screen, it will be an advance version of the iPhone X. It will be dual sim and comes with better battery life, a faster processor and better camera. A new gold colour will be available.
Price: Dh4,229
iPhone XS Max
It is expected to be a grander version of the iPhone X with a 6.5-inch screen; an inch bigger than the screen of the iPhone 8 Plus.
Price: Dh4,649
iPhone XR
A low-cost version of the iPhone X with a 6.1-inch screen, it is expected to attract mass attention. According to industry experts, it is likely to have aluminium edges instead of stainless steel.
Price: Dh3,179
Apple Watch Series 4
More comprehensive health device with edge-to-edge displays that are more than 30 per cent bigger than displays on current models.
COMPANY%20PROFILE
%3Cp%3E%3Cstrong%3EName%3A%20%3C%2Fstrong%3ESmartCrowd%0D%3Cbr%3E%3Cstrong%3EStarted%3A%20%3C%2Fstrong%3E2018%0D%3Cbr%3E%3Cstrong%3EFounder%3A%20%3C%2Fstrong%3ESiddiq%20Farid%20and%20Musfique%20Ahmed%0D%3Cbr%3E%3Cstrong%3EBased%3A%20%3C%2Fstrong%3EDubai%0D%3Cbr%3E%3Cstrong%3ESector%3A%20%3C%2Fstrong%3EFinTech%20%2F%20PropTech%0D%3Cbr%3E%3Cstrong%3EInitial%20investment%3A%20%3C%2Fstrong%3E%24650%2C000%0D%3Cbr%3E%3Cstrong%3ECurrent%20number%20of%20staff%3A%3C%2Fstrong%3E%2035%0D%3Cbr%3E%3Cstrong%3EInvestment%20stage%3A%20%3C%2Fstrong%3ESeries%20A%0D%3Cbr%3E%3Cstrong%3EInvestors%3A%20%3C%2Fstrong%3EVarious%20institutional%20investors%20and%20notable%20angel%20investors%20(500%20MENA%2C%20Shurooq%2C%20Mada%2C%20Seedstar%2C%20Tricap)%3C%2Fp%3E%0A
Wicked: For Good
Director: Jon M Chu
Starring: Ariana Grande, Cynthia Erivo, Jonathan Bailey, Jeff Goldblum, Michelle Yeoh, Ethan Slater
Rating: 4/5
Results
1. New Zealand Daniel Meech – Fine (name of horse), Richard Gardner – Calisto, Bruce Goodin - Backatorps Danny V, Samantha McIntosh – Check In. Team total First round: 200.22; Second round: 201.75 – Penalties 12 (jump-off 40.16 seconds) Prize €64,000
2. Ireland Cameron Hanley – Aiyetoro, David Simpson – Keoki, Paul Kennedy – Cartown Danger Mouse, Shane Breen – Laith. Team total 200.25/202.84 – P 12 (jump-off 51.79 – P17) Prize €40,000
3. Italy Luca Maria Moneta – Connery, Luca Coata – Crandessa, Simone Coata – Dardonge, Natale Chiaudani – Almero. Team total 130.82/198.-4 – P20. Prize €32,000
It Was Just an Accident
Director: Jafar Panahi
Stars: Vahid Mobasseri, Mariam Afshari, Ebrahim Azizi, Hadis Pakbaten, Majid Panahi, Mohamad Ali Elyasmehr
Rating: 4/5
The specs
Engine: Dual 180kW and 300kW front and rear motors
Power: 480kW
Torque: 850Nm
Transmission: Single-speed automatic
Price: From Dh359,900 ($98,000)
On sale: Now
The specs
Engine: 3.8-litre, twin-turbo V8
Transmission: seven-speed automatic
Power: 592bhp
Torque: 620Nm
Price: Dh980,000
On sale: now
Match info
Uefa Champions League Group H
Manchester United v Young Boys, Tuesday, midnight (UAE)
QUALIFYING RESULTS
1. Max Verstappen, Netherlands, Red Bull Racing Honda, 1 minute, 35.246 seconds.
2. Valtteri Bottas, Finland, Mercedes, 1:35.271.
3. Lewis Hamilton, Great Britain, Mercedes, 1:35.332.
4. Lando Norris, Great Britain, McLaren Renault, 1:35.497.
5. Alexander Albon, Thailand, Red Bull Racing Honda, 1:35.571.
6. Carlos Sainz Jr, Spain, McLaren Renault, 1:35.815.
7. Daniil Kvyat, Russia, Scuderia Toro Rosso Honda, 1:35.963.
8. Lance Stroll, Canada, Racing Point BWT Mercedes, 1:36.046.
9. Charles Leclerc, Monaco, Ferrari, 1:36.065.
10. Pierre Gasly, France, Scuderia Toro Rosso Honda, 1:36.242.
Eliminated after second session
11. Esteban Ocon, France, Renault, 1:36.359.
12. Daniel Ricciardo, Australia, Renault, 1:36.406.
13. Sebastian Vettel, Germany, Ferrari, 1:36.631.
14. Antonio Giovinazzi, Italy, Alfa Romeo Racing Ferrari, 1:38.248.
Eliminated after first session
15. Antonio Giovinazzi, Italy, Alfa Romeo Racing Ferrari, 1:37.075.
16. Kimi Raikkonen, Finland, Alfa Romeo Racing Ferrari, 1:37.555.
17. Kevin Magnussen, Denmark, Haas Ferrari, 1:37.863.
18. George Russell, Great Britain, Williams Mercedes, 1:38.045.
19. Pietro Fittipaldi, Brazil, Haas Ferrari, 1:38.173.
20. Nicholas Latifi, Canada, Williams Mercedes, 1:38.443.