How Building Materials Can Fight Climate Change

The construction industry is under pressure to reduce its carbon footprint. One way to do this is by turning building materials into carbon absorbers. This means that instead of releasing carbon, these materials can actually store it. This is a big deal because the way we usually measure carbon emissions doesn't account for how long materials store carbon or when they release it. This is a problem because the timing of these emissions matters a lot for the environment. To tackle this, a new approach has been developed. It looks at the entire life of building materials, from creation to disposal. This approach considers how quickly or slowly materials absorb or release carbon. For example, concrete and wood have very different carbon behaviors. Concrete takes a long time to absorb carbon, so it doesn't help much with reducing global warming. On the other hand, wood can store carbon for a long time, which does help reduce warming.A tool called D-CUBE has been created to put this approach into practice. It allows for fair comparisons between different materials and strategies to reduce emissions. This tool can be adjusted for various materials and applications, making it very useful. By identifying the key stages where carbon emissions are highest, D-CUBE can help find ways to make building materials that actually absorb carbon. The construction industry needs to think carefully about the materials it uses. It's not just about choosing materials that seem low-carbon at first glance. The whole life cycle of the material matters, including how long it stores carbon and when it releases it. By using tools like D-CUBE, the industry can make smarter choices. This could lead to buildings that not only reduce their carbon footprint but also actively fight climate change. The challenge is to make this approach practical and widely adopted. The construction industry is huge and complex. Changing how it operates won't be easy. But with the right tools and a clear understanding of the science, it's possible to make a real difference.