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Building a Safer, Smarter and Sustainable World

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Raju Ramchandran, SVP and Head Manufacturing – Eastern Region, Safety and Sustainability, Nuvoco Vistas, on the cement industry redefining growth through innovation, circularity and collective action toward a Net Zero future.

Every nation dreams of highways, bridges and cities that symbolise progress. Every individual dreams of a home they can call their own. Behind both these dreams stands one material — cement. It is the silent architect of our aspirations and the backbone of economies. From sheltering families to shaping skylines, cement has been at the heart of human advancement.
According to the World Economic Forum, cement and concrete are the world’s most widely used human-made materials. As the world continues to build, the role of cement is becoming even more crucial — not only in enabling growth but also in shaping a sustainable future. Today, it is imperative to align the vision of building developed nations and better lives with the responsibility of protecting our planet for generations to come. Achieving this balance requires a fundamental shift in how we produce, transport and consume cement.
This transition is far too significant for any single technology or organisation to achieve alone. Real progress will emerge when businesses, policymakers, investors, and communities move forward together. Building on this collective momentum, the Indian cement sector has outlined a clear pathway to achieve net-zero CO2 emissions by 2070, under the Decarbonisation Roadmap for the Indian Cement Sector. This initiative underscores the industry’s shared responsibility to mitigate environmental impacts while supporting sustainable development.
Taking this vision a step further, the sector is complementing emission reduction with initiatives that restore nature and promote circularity. By advancing water stewardship, biodiversity protection and circular economy practices, the industry is embracing nature-based solutions that not only mitigate environmental impact but actively regenerate natural systems. These efforts position the cement sector to play a central role in halting and reversing nature loss by 2030, in alignment with the Global Biodiversity Framework (GBF).
The journey to decarbonise cement and concrete touches every link in the value chain — from sourcing raw materials to producing clinker, from pouring concrete on construction sites to rethinking design with reuse, recycling and 3D printing in mind. Each stage offers an opportunity to reduce emissions through innovation and collaboration.
In this context, Indian cement producers are expanding their portfolio of sustainable products. Almost all manufacturers today produce Portland Slag Cement (PSC), Portland Pozzolana Cement (PPC), and Portland Composite Cement (PCC) — each reducing clinker content while maintaining consistent quality and performance. This shift reflects the industry’s recognition that sustainability is not an option but a necessity.

Exploring sustainable alternatives
A key enabler of this transformation is the use of Alternative Raw Materials (ARMs) such as slag, fly ash and other industrial by-products. These materials partially replace limestone and clinker — the most carbon-intensive components of cement manufacturing. By integrating slag from steel plants or fly ash from power stations, producers not only cut emissions but also divert waste from landfills, helping preserve finite natural resources.
Equally critical is the adoption of Supplementary Cementitious Materials (SCMs) like silica fume, calcined clay, rice husk ash, and natural pozzolans. Blending these materials with clinker reduces energy intensity while improving strength, durability, and workability, thus delivering both performance and sustainability gains.
Together, ARMs and SCMs foster a circular economy, transforming industrial waste into valuable inputs, conserving raw materials, and enabling sustainable construction.
Complementing these innovations are advanced manufacturing practices such as Waste Heat Recovery Systems (WHRS), which capture excess heat from clinkerisation and convert it into clean power. Combined with renewable energy adoption, digital optimisation, and green logistics, these efforts are steering the sector toward Net Zero operations.
Sustainability, however, doesn’t end at production. It extends into packaging, transport, and consumption. The industry is increasingly using recyclable poly bags, bulk cement packaging and rail-based logistics to reduce carbon emissions. Further, CNG-powered trucks, Transition from Diesel based Heavy Earth Moving Machinery (HEMM) to EV vehicles and GPS-enabled fleet monitoring are helping lower the carbon footprint across supply chains.
At the same time, end consumers — builders, contractors, and Individual Home Builders — play a crucial role. Choosing blended, eco-friendly cements, adopting responsible construction practices, and minimising material waste on sites can collectively make a meaningful impact.
Building sustainably is no longer only the producer’s responsibility; it is a shared duty across the value chain, from source to consumption. This holistic approach, where innovation meets accountability, defines the path forward.
From reducing emissions to restoring ecosystems, the cement industry is laying the foundation
for resilient infrastructure and a nature-positive, sustainable future.
As the Head of Manufacturing, Safety and Sustainability at Nuvoco Vistas Corp, I believe sustainability is not an initiative but a way of doing business. It is deeply embedded in every process and product, from co-processing waste and developing green cements to expanding WHRS capacity, promoting renewable energy, and enhancing logistics efficiency. In alignment with the cement industry’s 2070 Net Zero vision, Nuvoco has reduced its CO2 intensity to 453.8 kg per tonne of cementitious material, guided by our mission of ‘Building a Safer, Smarter and Sustainable World.’

ABOUT THE AUTHOR:
Raju Ramchandran, SVP and Head Manufacturing – Eastern Region, Safety and Sustainability, Nuvoco Vistas, oversees multiple high-capacity plants, excelling in operations, project management, and team development across greenfield and brownfield projects.

Concrete

Cement Makers Reaffirm Commitment to Sustainable Growth

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World Environment Day spotlight on innovation and circularity

On World Environment Day, the Indian cement industry reiterated its commitment to supporting India’s climate ambitions through sustainable manufacturing, resource efficiency and the adoption of cleaner technologies.

The Cement Manufacturers’ Association (CMA) said the sector remains aligned with the Government of India’s Net Zero commitments and is accelerating efforts to reduce its environmental footprint while supporting the country’s infrastructure and development agenda.

Parth Jindal, President, CMA and Managing Director, JSW Cement, said the industry is increasingly adopting cleaner technologies, improving energy efficiency and expanding the use of alternative fuels and raw materials. He also highlighted the growing importance of circular economy practices, where industrial by-products and waste streams from one sector are utilised as resources in another.

“The Indian Cement Industry is aligned to the Government’s commitments on carbon mitigation and is accelerating the adoption of cleaner technologies, resource efficiency and circular economy practices while actively exploring the potential of Carbon Capture, Utilisation and Storage (CCUS) as a critical pathway for deep decarbonisation,” said Jindal.

He added that coprocessing industrial waste and by-products helps conserve natural resources, reduce disposal requirements and lower the environmental footprint across multiple sectors.

According to Jindal, sustainability is no longer limited to manufacturing processes but is increasingly influencing investment decisions, innovation strategies and long-term growth plans within the industry.

Echoing similar views, Dr Raghavpat Singhania, Vice President, CMA and Managing Director, JK Cement, said sustainable development extends beyond emissions reduction and must also focus on responsible resource utilisation and waste minimisation.

“Sustainability in the built environment cannot be measured by emissions alone. It is equally about how efficiently we use resources, how effectively we minimise waste and how responsibly we create the infrastructure that will serve future generations,” said Singhania.

He noted that the cement industry is advancing its sustainability agenda through greater resource efficiency, increased circularity, technological innovation and continuous improvements in manufacturing practices. As a key contributor to India’s infrastructure development, the sector has a critical role to play in balancing economic growth with environmental responsibility.

On the occasion of World Environment Day, industry leaders reaffirmed their commitment to supporting India’s climate goals while delivering the materials required for resilient, durable and sustainable infrastructure.

 

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Concrete

Building a Greener Future Together

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Environmental sustainability requires immediate action, not just long-term commitments and discussions. Recycling, circular economy practices, and technology-driven waste management can help industries reduce environmental impact while supporting sustainable growth.

Author: Jignesh Kundaria, Director and CEO, Fornnax Technology

World Environment Day serves as an important reminder that environmental sustainability can no longer remain confined to discussions, reports, or long-term commitments. The environmental challenges facing the world today demand immediate, measurable, and collective action. Across industries and communities, waste generation continues to outpace our ability to process it responsibly, placing increasing pressure on ecosystems, natural resources, public health, and the well-being of future generations.

One of the most significant shifts required today is a change in how society perceives waste. Rather than being viewed as a material to be discarded, waste must be recognised as a valuable resource that can contribute to both economic growth and environmental protection when managed through the right technologies and systems. This mindset forms the foundation of the circular economy model that countries across the world are increasingly adopting to reduce landfill dependence, recover valuable materials, and create more sustainable industrial ecosystems.

India has made meaningful progress in strengthening awareness around sustainability, recycling, and environmental responsibility over the past decade. Significant efforts are being made to formalise the recycling sector through improved infrastructure, technology adoption, policy implementation, and broader stakeholder participation. These developments are creating a stronger foundation for responsible waste management and resource recovery across the country.

However, achieving long-term environmental impact requires collaboration from all stakeholders. Industries, policymakers, technology providers, and communities must work together with greater accountability to strengthen recycling ecosystems, encourage responsible waste management practices, and create sustainable outcomes through consistent execution rather than temporary interventions.

As someone closely associated with the recycling industry, I firmly believe that technology will play a decisive role in addressing future environmental challenges. Advanced recycling systems have the potential to recover valuable resources, reduce pollution, minimise landfill burdens, and conserve energy, creating a more sustainable future for generations to come. This belief is deeply reflected in Fornnax’s motto, “Committed to Create a Green Future,” which embodies our commitment to building long-term environmental value through innovation and responsible action.

At the same time, technology alone cannot deliver meaningful change. Real progress requires intent, awareness, participation, and a shared sense of responsibility. Sustainable development can only be achieved when innovation is supported by collective action and a genuine commitment to environmental stewardship.

On this World Environment Day, let us move beyond conversations and take meaningful steps towards creating a cleaner, greener, and more sustainable planet. By embracing innovation, strengthening recycling ecosystems, and acting responsibly today, we can create lasting environmental impact and secure a better future for generations to come.

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Concrete

JK Lakshmi Advances LC3 Cement Expansion

Company highlights commercial production and research partnerships

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The meeting reviewed progress in limestone calcined clay cement (LC3) technology and its commercial adoption in India’s cement sector, focusing on low-carbon alternatives to conventional binders. JK Lakshmi Cement noted that limestone calcined clay cement can reduce carbon dioxide emissions by up to 40 per cent compared with conventional cement and said this reduction supports industry decarbonisation. The company highlighted that it was among the first two cement manufacturers in India to move LC3 into commercial production after the Bureau of Indian Standards approved the technology as a cement standard.

Vinita Singhania said the transition of LC3 from research to commercial production reflected collaboration between industry, academia and international institutions. Maya Tissafi acknowledged JK Lakshmi Cement’s role in advancing LC3 adoption in India and its contribution in taking the technology from laboratory trials to commercial implementation. Both representatives underlined the growing relevance of sustainable construction materials as India expands infrastructure and urban development.

The meeting explored continued collaboration with Swiss research institutions such as EPFL, EMPA and ETH Zurich alongside Indian academic partners and development organisations. JK Lakshmi Cement has been associated with the LC3 initiative since 2014 and worked with EPFL, IIT Delhi, IIT Madras, Development Alternatives and Technology and Action for Rural Advancement. The company conducted one of the earliest industrial trials of LC3 and recently announced commercial production of Green Pro LC3 cement from its Jaykaypuram plant in Rajasthan.

India remains the world’s second-largest cement producer and expansion of infrastructure, urbanisation and housing demand continue to support long-term sector growth, increasing interest in low-carbon technologies. The company reported an annual turnover of more than Rupees (Rs) 60 bn and current cement capacity of about 18 million (mn) tonnes (t) per annum, with a target of reaching 30 million (mn) tonnes (t) by 2030. Apart from grey cement, the company also makes ready-mix concrete, gypsum plaster, wall putty, primers, adhesives and fly ash blocks, and both sides concluded on the need for continued collaboration to develop sustainable construction solutions.

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