Open Source · Community Driven
Open-source solutions for
climate-resilient cities
A curated repository of free tools, datasets, and implementation case studies for urban climate practitioners, planners, and researchers worldwide.
Tool library
Six challenge areas
Highlighted
Featured tools
Climate Central
dataClimate risk assessment and visualisation for local communities
Cool Roofs Calculator
heatCalculate energy savings and heat reduction from reflective roofing
Copernicus Climate Change Service (C3S)
dataAuthoritative open data on past, present, and future climate
i-Tree Tools
greenQuantify the ecosystem services and environmental benefits of urban forests
NOAA Sea Level Rise Viewer
coastalVisualise the potential impacts of sea level rise on coastal communities
EPA Stormwater Calculator
floodEstimate stormwater runoff reduction from green infrastructure practices
Interactive
Not sure where to start?
Answer four quick questions and we'll match you to the tools most relevant to your context, technical background, and project goals.
Step 1 of 4
What is your primary climate challenge?
Recommended tools for you
Based on your answers
Global implementations
Case studies worldwide
Climate Action as Social Equity: Bogotá's Integrated Approach
How Bogotá embedded climate resilience into a city-wide equity agenda, reaching 1.2 million low-income residents
Impact: 120,000 trees planted in lowest-income localities; 18% reduction in heat-related hospital admissions in target zones
Beyond Day Zero: Cape Town's Multi-Layered Water Resilience Strategy
Cape Town avoided complete reservoir failure in 2018 and built the water resilience infrastructure to survive future droughts
Impact: Per-capita water consumption reduced by 50%; groundwater augmentation scheme adds 40 Ml/day to supply
Carbon Neutral by 2025: Copenhagen's Systemic Transformation
Copenhagen's decade-long push for carbon neutrality — a blueprint integrating transport, energy, and urban form
Impact: 67% CO2 reduction since 2005; 62% of trips made by bicycle; district heating covers 98% of households
Context
Why this matters
Global Climate Context
Key metrics motivating the need for urban climate tools
Tools by category
Help build this resource
Urban Climate Tools is an open, community-maintained project. Submit a tool, contribute a case study, or improve the documentation.