The future of construction will depend not on how much we build, but on how responsibly we choose to build it. A sustained shift towards more efficient and responsible building practices is essential to create lasting change.
Narayan Saboo
Chairman
Bigbloc Construction
This impact does not come from scale alone; it comes from the very materials that shape our buildings. Cement alone is responsible for nearly 7 to 8 percent of global carbon emissions, which is a significant share for a single material. Emissions from construction materials have increased nearly four times over the past few decades. Even something as common as bricks adds to the problem, as their production depends on high temperature kilns that release large amounts of emissions. This points to a larger truth: the materials we build with are now as critical as the way we build.
This also reflects a deeper issue in the way the industry operates. For a long time, construction has followed a simple path. We extract raw materials, turn them into products, use them and then move on. This approach depends heavily on continuous resource consumption. It also leaves behind waste and long-term environmental impact. With nearly 40 percent of the world’s raw materials already going into construction, the pressure on natural resources is increasing. As demand for buildings continues to rise, this way of working is becoming difficult to sustain as the model cannot support the scale of future construction demand.
The real challenge lies in the materials used, with cement and traditional bricks significantly adding to carbon emissions and environmental strain. The industry’s linear approach of extracting, using and discarding resources is no longer sustainable at the scale of future construction demand. The focus is now on making better use of what already exists. A shift towards circular practices, including the use of industrial by-products like fly ash, is enabling more efficient and resource conscious building solutions.
New age materials such as AAC blocks and prefabricated systems are helping move construction towards a more responsible and future ready approach. AAC blocks are lightweight and offer better thermal insulation, which helps lower energy use over time. Wall panels and prefabricated elements also improve construction efficiency by reducing material wastage and onsite resource use. With growing production capacity and wider adoption across projects, such solutions are gradually becoming part of mainstream building practices.
