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This startup makes tiles out of air pollution!

Mumbai-based CarbonCraft offers tiles made of carbon.

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Air pollution has been a growing concern for decades, especially for the construction industry
which contributes to 23 per cent of the world’s air pollution. While many solutions have been
proposed to capture pollutants, the question of what to do with the resulting carbon waste has
largely gone unanswered. In this context, one startup has set its sights on the potential of
carbon utilisation as a long-term vision.

Mumbai-based CarbonCraft offers a unique solution, tiles made of repurposed carbon, to
bring down the construction industry’s pollution woes. Tejas Sidnal, Founder,
CarbonCraft, sheds light on the company and its approach in a virtual conversation.

The inception

Excited and passionate aboutenvironment conservation and the concept of biomimicry, Sidnal
states that there has never been a fixed time that could be pinpointed as the conception of
CarbonCraft. A former architect by profession, he says, “The idea was simple; can we build
carbon-negative materials? By 2016, I had realised that carbon-negative buildings cannot be
constructed without carbon-negative materials.”

And so, the company operates on ‘one golden rule.’ “If you cannot make a carbon-negative
product, it’s not worth it,” Sidnal emphasises.What started off as bricks and eventually façade
offerings morphed into tiles. The company offers two options: plain tiles and patterned tiles.
Both are carbonnegative, storing more carbon than emitting it.

Even the production is undertaken sustainably. Handcrafted from the get go at the company’s
manufacturing facility in Morbi, the recovered carbon is initially processed to make it
application oriented…

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Concrete

thyssenkrupp Polysius, SaltX partner for electrified production

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thyssenkrupp Polysius and Swedish startup SaltX have signed a Letter of Intent (LOI) to co-develop the next generation of electrified production facilities, advancing industrial decarbonisation. Their collaboration will integrate SaltX’s patented Electric Arc Calciner (EAC) technology into thyssenkrupp Polysius’ green system solutions, enabling electric calcination, replacing fossil fuels with renewable energy, and capturing CO2 for emission-free production. Dr Luc Rudowski, Head of Innovation, thyssenkrupp Polysius, emphasised that this partnership expands their portfolio of sustainable solutions, particularly in cement, lime, and Direct-Air-Capture (DAC). Lina Jorheden, CEO, SaltX, highlighted the significant CO2 reduction potential, reinforcing their commitment to sustainable industrial processes.

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Concrete

Terra CO2 secures $82m to scale low-carbon cement technology

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Terra CO2, a US-based sustainable building materials company, has raised $82 million in Series B funding, co-led by Just Climate, Eagle Materials and GenZero, with continued support from Breakthrough Energy Ventures. The investment will accelerate the commercial deployment of Terra’s OPUS technology, enabling the construction of multiple production facilities across North America and Europe. With the cement industry responsible for 8 per cent of global CO2 emissions, Terra’s solution provides an immediate, scalable alternative using abundant raw materials that integrate seamlessly with existing infrastructure. The company has secured key partnerships, including a deal with Eagle Materials for multiple 240,000-tonne plants.

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Concrete

Titan Cement Group enters South Asia

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Titan Cement Group has expanded into the South Asian market through a joint venture with JAYCEE, an India-based producer of supplementary cementitious materials. Titan will hold a majority stake in the newly formed company, Atlas EcoSolutions, which will focus on sourcing, processing, marketing, and distributing SCMs globally. This initiative aims to support sustainable construction by promoting alternatives to clinker-based cement. Jean-Philippe Benard, Head of Supply Chain and Energy Development, emphasised that the venture aligns with Titan’s strategy to lead in low-carbon building materials while reinforcing its commitment to sustainability and innovation. The move strengthens Titan’s position in a high-growth market while ensuring long-term access to SCMs.

 

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