Alan Organschi: Building a global carbon sink

Updated: February 23, 2025

The Architectural League


Summary

The video introduces a lecture series focusing on necessary changes in architectural practice to combat climate change and reduce greenhouse gas emissions. It features discussions on decarbonized design, the potential of wood as a structural material, the importance of sustainable forestry practices, and the role of sustainable building materials in reducing carbon emissions. The exploration extends to regenerative building ideas, mass timber construction, circular economics, and the transformation required in the construction industry to embrace sustainable practices and address environmental concerns on a large scale.


Introduction to Climate Change in Design

Introduction to the lecture series focusing on the changes needed in architectural practice, education, and culture to address climate change and the role of the built environment in greenhouse gas emissions.

The Purpose of the Lecture

Highlighting a series of interviews conducted by the league's digital editor with various organizations and architects focusing on decarbonized design and research initiatives related to carbon and built form.

Understanding Buildings as Systems

Exploration of buildings as interconnected nodes in systems, emphasizing the entanglement of carbon and built form with a focus on sustainable design and resource materials.

Exploring Wood as a Building Material

Discussion on the properties of wood, its potential as a structural material, and the importance of sustainable forestry practices in mitigating carbon emissions in the building industry.

Lessons from Wood Use in Buildings

Lessons learned from using wood in construction, including the importance of old buildings, operational emissions in building lifecycle, and the circular economy in architecture.

Impact of Building Materials on Carbon Emissions

Analysis of the carbon emissions associated with different building materials, the need for sustainable urban morphologies, and the potential for high-performance timber buildings to store carbon.

Scaling Up Regenerative Buildings

Exploration of regenerative building ideas and the potential for large-scale adoption of timber construction to store carbon and reduce emissions in urban areas.

Architects and Climate Change

Architects are exploring ways to address climate change by focusing on resilient techniques, carbon reduction, and sustainable practices in building design.

Innovation in Construction

Exploration of innovative ideas in construction industry such as mass timber, reevaluating traditional materials like wood, and rethinking building systems to reduce environmental impact.

Transitioning Industries

Discussion on the transformation required in various industries, especially in construction, to embrace sustainable practices and adapt to changing economic and environmental landscapes.

Evaluating Industry Impacts

Examining the impact of industry shifts on job markets, economic enterprises, and policy-making to align with sustainable practices and address environmental concerns.

Lifecycle Assessment

Understanding the lifecycle impacts of building materials, evaluating their sustainability, and considering the long-term effects on the environment to promote regenerative practices.

Adoption and Challenges

Discussing the adoption of sustainable building practices at scale, addressing challenges in material supply, cost comparisons, and transitioning towards eco-friendly construction methods.

Circular Economy in Construction

Exploration of circular economics in construction, emphasizing design for reuse, disassembly, and extending the lifespan of materials to promote sustainability and reduce environmental impact.


FAQ

Q: What is the role of the built environment in greenhouse gas emissions?

A: The built environment plays a significant role in greenhouse gas emissions, with buildings accounting for a considerable portion of carbon emissions through their construction, operation, and maintenance.

Q: How does sustainable forestry practice help in mitigating carbon emissions in the building industry?

A: Sustainable forestry practices help in mitigating carbon emissions by promoting the responsible management of forests, which act as carbon sinks, and by ensuring that the use of wood as a structural material is environmentally friendly and supports carbon sequestration.

Q: What are some lessons learned from using wood in construction?

A: Lessons learned from using wood in construction include the importance of old buildings, the consideration of operational emissions throughout the building's lifecycle, and the potential of implementing a circular economy approach in architecture to reduce environmental impact.

Q: How can high-performance timber buildings help in storing carbon?

A: High-performance timber buildings have the potential to store carbon effectively by sequestering carbon within the wood material used in construction, thus offsetting the carbon emissions associated with traditional building materials.

Q: What are some innovative ideas in the construction industry to reduce environmental impact?

A: Innovative ideas in the construction industry to reduce environmental impact include the adoption of mass timber construction, reevaluation of traditional materials like wood, and restructuring building systems to minimize carbon footprint and overall environmental impact.

Q: Why is circular economics important in construction?

A: Circular economics in construction is crucial as it promotes design principles focused on reuse, disassembly, and extending the lifespan of materials, ultimately leading to sustainable practices, reduced environmental impact, and resource efficiency.

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