Context & data
Climate data overview
Key metrics and data context behind this repository — updated periodically from IPCC, NOAA, C40, and World Bank sources.
Global Climate Context
Key metrics motivating the need for urban climate tools
Global mean temperature anomaly (2023)
+1.45°C
Source: NOAA/NASA
Cities facing high heat risk by 2050
970+
Source: C40 Cities
Urban population exposed to flooding
1 billion
Source: World Bank
Green infrastructure ROI (avg)
3–6×
Source: OECD
Tools by category
Repository summary
26
Tools indexed
22
Case studies
19
Countries profiled
6
Continents
Data sources & methodology
Climate metrics are drawn from peer-reviewed and institutional sources. Tool metadata is maintained by the community through GitHub pull requests. Case study impact data is verified against published city reports and academic literature before inclusion.
- IPCC AR6 (2021–2022) — Global climate projections and risk frameworks
- NOAA / NASA GISS — Observed temperature anomalies and trend data
- C40 Cities — Urban climate action and city reach estimates
- World Bank — Urban flood exposure and infrastructure financing data
- OECD — Green infrastructure return on investment meta-analysis