Some Examples For The Global Climate Data Museum

THE 20-METRIC MASTER REFERENCE:

1. Urban Cycling Share 🚲

Leading City: Copenhagen — 41% of trips by bike
Followers: Amsterdam 36%, Utrecht 33%, Groningen 50% (small city, highest globally)
Why it helps: Cleaner air; Less traffic; Healthier people; Lower CO₂
Sources:
https://stateofgreen.com/en/partners/city-of-copenhagen/solutions/copenhagen-city-of-cyclists/

2. Electric Vehicle Adoption 🚗

Leading Country: Norway — 89% of new cars are electric
Followers: Iceland 41%, Sweden 32%, Netherlands 24%
Why it helps: Zero tailpipe pollution; Lower CO₂; Quiet streets; Energy independence
Source:
https://www.reuters.com/world/europe/electric-vehicles-make-up-90-norways-new-car-sales-2023-01-03/

3. Electric Bus Fleets 🚌

Leading City: Shenzhen — 16,000 electric buses
Followers: Beijing 10k+, Shanghai 6k, Guangzhou 4k
Why it helps: No diesel fumes; Lower CO₂; Quiet streets; Healthier lungs for kids
Sources:
https://www.wri.org/insights/how-did-shenzhen-china-build-worlds-first-electric-bus-fleet

4. Cargo Bike Deliveries 🚴‍♂️

Leading City: Amsterdam — 25% of inner-city deliveries by cargo bike
Followers: Utrecht, Berlin, Paris
Why it helps: No vans; Less noise; Lower CO₂; Faster delivery in dense areas
Source:
https://www.amsterdam.nl/en/transport-traffic/cycling/cargobike/

5. Tree Canopy Cooling 🌳

Leading City: Singapore — 2–4°C cooler with tree canopy
Followers: Melbourne, Vancouver, Barcelona
Why it helps: Fewer heat strokes; Cleaner air; Lower AC use; Healthier city
Source:
https://www.sciencedirect.com/science/article/pii/S1618866718301692

6. Rooftop Solar 🌞

Leading Country: Australia — 33% of homes have rooftop solar
Followers: Germany 25%, Netherlands 19%, Belgium 18%
Why it helps: Cheaper energy; Lower CO₂; Energy independence; Stable grid
Source:
https://www.energy.gov.au/households/solar-pv

7. Rainwater Capture 🌧

Leading Country: Singapore — captures up to 90% of rainfall
Followers: Tokyo, Berlin, Melbourne
Why it helps: Water security; Less flooding; Supports green roofs; Climate resilience
Source:
https://www.pub.gov.sg/watersupply/fournationaltaps

8. Walkability Index 🚶‍♀️

Leading City: Melbourne — ranked most walkable in Australia
Followers: Vancouver, Vienna
Why it helps: Lower car use; Healthier residents; Strong local economy; Safer streets
Source:
https://www.walkscore.com/

9. Microplastics on Beaches 🌊

Leading City: Barcelona — up to 44 particles per m²
Followers: Sydney, Los Angeles, Rio de Janeiro
Why it helps: Makes invisible pollution visible; Protects oceans; Drives policy change
Source:
https://www.sciencedirect.com/science/article/pii/S0304389419314352

10. Water Use per Person 💧

Leading City: Tokyo — ~150 L/day
Followers: Berlin 118 L, London 149 L
Why it helps: Prevents shortages; Smart planning; Resilience; Saves money
Sources:
Tokyo Water Authority; Berlin Water; Thames Water

11. Renewable Electricity Share ⚡

Leading Country: Iceland — nearly 100% renewable power
Followers: Norway (98%), Costa Rica (98%)
Why it helps: Low-carbon cities; Cleaner grid; Cheaper energy long-term
Source:
https://www.iea.org/

12. Public Transport Usage 🚆

Leading City: Tokyo — 40 million daily metro riders
Followers: Seoul, Moscow
Why it helps: Fewer cars; Lower emissions; More efficient cities
Source:
Tokyo Metro Annual Reports

13. Urban Farm Output 🌱

Leading City: Paris — 14,000 m² rooftop farm producing up to 1 ton/day
Followers: Tokyo, Singapore
Why it helps: Local food; No transport emissions; Cooler roofs
Available Source:
https://www.parisculteurs.paris

14. Recycling & Waste Diversion ♻️

Leading City: San Francisco — 80% landfill diversion
Followers: Seoul, Ljubljana
Why it helps: Less landfill; Less methane; Circular economy
Source:
https://sfenvironment.org/zero-waste

15. Air Quality (Low PM2.5) 🌬

Leading City: Helsinki — among the world’s cleanest urban air
Followers: Stockholm, Reykjavik
Why it helps: Longer lifespan; Healthier kids; Lower disease burden
Source:
WHO Air Quality Database

16. Bus Electrification Growth (Outside China) 🚌

Leading City: London — 1,000+ e-buses
Followers: Santiago, Los Angeles
Why it helps: Cleaner air; Quieter roads; Lower operating costs
Source:
Transport for London

17. Sea-Level Rise Protection 🌊

Leading City: Rotterdam — world-leading flood barriers
Followers: Amsterdam, Copenhagen
Why it helps: Protects millions; Adaptation; Avoids economic loss
Source:
https://www.rotterdamsweerstaan.nl

18. Green Roof Coverage 🏙

Leading City: Toronto — mandated green roofs on new builds
Followers: Copenhagen, Basel
Why it helps: Cooler buildings; Stormwater management; Urban biodiversity
Source:
City of Toronto Green Roof Bylaw

19. Shared Mobility (Ride-Sharing) 🚗

Leading Cities: Helsinki, Oslo (high adoption of shared rides + pooled transport)
Followers: Stockholm, Copenhagen
Why it helps: Fewer cars; Lower CO₂; Less congestion; Cheaper mobility
Source:
https://www.sharedmobility.news/

20. Urban Forest Expansion 🌳

Leading City: Melbourne — planting 3,000,000 trees by 2030
Followers: New York, Singapore
Why it helps: Cooler streets; Better air; Stronger biodiversity
Source:
Melbourne Urban Forest Strategy