New Delhi, March 27 -- Given the global push towards sustainability, buildings play a major role in the efforts towards decarbonisation. They account for 30 percent of global energy consumption and 21 percent of the global Green House Gas (GHG) emissions.

Existing buildings make up a significant amount of the building stock available. According to the International Energy Agency (IEA), by 2040, existing buildings will comprise two-thirds of the global building stock.

Demolition and reconstruction of existing building stock will have a significant negative impact towards the sector's decarbonisation efforts. For instance, demolition alone can cause enough harm to the environment - air and water pollution, construction and demolition wast...