ExAC Podcast | Examitect

Carbon terminology becomes more useful when its categories stay clear. We distinguish embodied, operational, and avoided carbon, then connect the first two to whole-life carbon. Direct and indirect emissions, greenhouse gases, and global warming potential also enter the discussion, building a vocabulary for reading the guides and comparing the claims made about a building.

Embodied carbon is connected to the materials and processes that make a building possible. We focus on the major material choices and the particular attention given to concrete, steel, and wood. The discussion explains why impacts that occur before occupancy still belong in the design conversation and how the information can guide the next choice.

A gingerbread house offers a surprisingly useful way to think about material choices. We use the example to explore what life-cycle assessment asks you to consider beyond the price on the shelf. The discussion then returns to real projects, where the value of a choice depends on its consequences over time and the information available to compare them.

A building's life begins before construction and continues beyond the years it is occupied. We trace the stages considered in life-cycle analysis and the wider effects of a material or assembly choice. Looking across that longer timeline helps reveal consequences that are easy to miss when the comparison stops at purchase and installation.

Climate risk becomes meaningful when it is connected to a place and the people using it. We look at the hazards a site may face, how their effects differ between locations, and why resilience has become part of the design conversation. The episode encourages a closer reading of local exposure before choosing a response.

Sustainability and resilience often appear together, but they answer different questions. We look at reducing a building's environmental impact alongside helping it withstand disruption and recover from it. The examples connect those ideas to regional hazards and design strategies, making the distinction easier to use when assessing what a project needs.

Past weather records tell only part of the story a building will face. We explore predictive climate data and how it can inform orientation, design choices, and preparation for changing conditions. The discussion stays grounded in location, where the useful question is what the available information means for this particular site and project.

Sustainable design literacy brings climate, life-cycle thinking, and design choices into the same conversation. We introduce the theme and the objectives covered in the series, then discuss how to read the supporting material at a useful depth. The episode also keeps the people who use the building in view alongside the environmental measures.

A specification needs to say what is required without leaving responsibility unclear. We look at concise wording, coordination with drawings and consultants, and the risks of carrying old text into a new project. The episode also discusses using reference resources carefully, so a convenient starting template becomes a set of requirements that actually fits the work.

A specification number becomes easier to read when you understand its parts. We work through divisions and sections, with attention to the architectural categories you will use most often. The discussion also considers what is useful to memorise for study and what can be found quickly from a reference in everyday practice.