Editing Sustainable Architecture (section)

== <span style="color: #FFFFFF;">Analyzing</span> ==
{| class="wikitable"
|+ Embodied Carbon of Materials (Approximate)
! Material !! Carbon Intensity !! Significance
|-
| Aluminum || High || Very energy-intensive to extract
|-
| Concrete (Cement) || Medium-High || Responsible for 8% of global CO2
|-
| Steel || Medium || Recyclable but high energy cost to forge
|-
| Timber || Negative (Sequestered) || Trees absorb CO2 as they grow
|}

'''The Concept of "Performance Gap"''': Often, a building that is designed to be "Green" on a computer uses much more energy in real life because of poor construction or human behavior (e.g., people leaving windows open while the heat is on). Analyzing this gap is essential for the future of sustainable architecture.
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