The twentieth century marked a definitive shift in the realm of architecture, as the Modernist movement broke from traditional building styles and encouraged experimentation and innovation. With the help of new materials and technologies, these times represent a crucial moment in the history of architecture as both cities and building styles evolved at an unprecedented rate. The structures that stand testament to this day are, however, nearing the age of a hundred years old. Their stark design features are not always embraced by the public, while the functionalist principles often hinder the adaptability of their interior spaces. Given that they also often occupy central positions within the city, there is increasing pressure to demolish these structures and redevelop the area in its entirety.

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COP28, or the 2023 United Nations Conference of the Parties, was held in Dubai between November 30 and December 13. The annual meeting gathers representatives from 198 countries, as well as industry leaders to discuss and establish strategies to limit the extent of climate change and its adverse effects. The ultimate goal of these meetings is to find ways to limit the global temperature rise below 1.5 degrees Celsius compared to pre-industrial times. At the moment, the global temperature rise is already at 1.2 degrees Celsius. As the construction industry at large accounts for 39% of global emissions, architects and planners have a shared interest in the results of thee international summit, Read on to discover some of the key takeaways of COP28.

On November 30, 2023, the UN COP28 climate summit begins in Dubai, the United Arab Emirates. The name stands for the Conference of the Parties under the UNFCCC, and symbolizes the annual meeting of world governments for the purpose of establishing strategies to limit the extent of climate change and its adverse effects. Last year’s summit concluded with several important measures, including the promise of a global fund aimed at providing financial aid to developing countries affected by climate disasters.

Architecture encompasses multiple processes, starting with identifying needs and transforming them into habitable structures through thoughtful design. Historically, construction-related processes like resource extraction and end-of-life disposal were often overlooked. However, it is essential to recognize that buildings have a lifecycle with significant impacts on carbon emissions. Emphasizing sustainable practices is vital to minimize our ecological footprint and positively impact the planet.

CPC concrete slabs are based on the technology of "carbon pre-stressed concrete," which originated from a long-term research project conducted by the Zurich University of Applied Sciences Winterthur (ZHAW) and Silidur AG, Andelfingen. These panels are reinforced with thin, pre-stressed carbon strands, allowing them to be three to four times thinner and lighter while maintaining the same load-bearing capacity as traditional reinforced slabs.

The built environment is responsible for approximately 42% of annual global CO2 emissions. During a building's lifespan, half of these emissions come from its construction and demolition. To decarbonize architecture and control global emissions, it is important to rethink and reduce the upfront or embodied carbon impacts of demolitions, as well as implement sustainable construction strategies for buildings. Demolitions typically involve dismantling, razing, destroying, or wrecking buildings and structural parts, leading to unsustainable levels of carbon emissions, material depletion, waste, and pollution. These hasty methods of ending the life cycle of a building have negative impacts on the environment, material components, and recycling strategies. Therefore, there is a clear need to re-think the way in which we approach the end of a building or infrastructure project's life towards a more sustainable system of deconstruction.

Decarbonization of the building sector is no longer a choice but a necessity. As nations strive to curb their greenhouse gas emissions by 2050, it is increasingly clear that current building standards do not go far enough to drive tangible change. Achieving climate goals requires economies to advocate measures that drive carbon neutrality while managing associated costs effectively. How would net-zero performance strategies impact building costs?

Seratech's technology, developed by Sam Draper and Barney Shanks, eliminates the CO₂ footprint of concrete and reduces carbon emissions in construction. This innovative process uses silica, a waste product from flue gases, as a carbon-negative cement replacement in concrete. By incorporating silica, the required amount of Portland cement is reduced by 40%, resulting in the production of carbon-negative concrete. This groundbreaking technology won the 2022 Obel Award for its focus on embodied emissions.

As we understand it today, the sustainable architecture movement began to take shape at the end of the 20^th century. Essentially, it responds to growing concerns about environmental degradation, energy consumption, and resource scarcity. In this global discourse on sustainable architecture, wood has long been celebrated as a symbol of environmental consciousness and decarbonization. As one of the most widespread building materials, it has gained popularity with the rise of this movement. This is because trees absorb carbon dioxide during their growth, which stays in the wood during its construction use, keeping it out of the atmosphere.