Turning Emissions Data Into Climate Actions With CityCatalyst
summary
CityCatalyst is an open-source platform that builds GHG inventories aligned with the GPC Protocol and outputs AI-ranked mitigation and adaptation options. The team standardizes fragmented sources into a 300-action database, collects 1,400 pairwise comparisons from experts, then trains a boosted decision-tree ensemble with SHAP explainability to produce a tournament-ranked top 20 actions. Results show 83% decisive, 10% unsure, 7% conflicting labels and about 70% model accuracy; piloted with 50 Brazilian cities (≈225M people) and scaling toward thousands.
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chapters (10)
- 0:00CityCatalyst introduction
- 2:09Cities need greenhouse gas inventories
- 3:53Climate actions complexities
- 7:03Climate action labeller tool
- 9:30Training AI with explainable methods
- 16:16CityCatalyst in Brazil
- 19:48Emissions data project challenges
- 22:37Pilot data and monitoring
- 25:25Project success and improvements
- 26:28Q&A
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