01Client work · BBC
Two sides of Istanbul, one summer
Three kilometres apart, on either side of a motorway: how differently does summer land?
Between Ataköy and Şirinevler the surface temperature gap is 4.2 °C. Green cover runs at 49.3% against 11.9%.
- Data
- Landsat 9 thermal band · Sentinel-2 · OpenStreetMap
- Output
- Publication-ready set: satellite image, surface temperature, greenness index
02Client work · 49W
How far does Iran's missile range reach?
How much ground does the range debate actually cover on a map?
Range rings by missile type, drawn at a single scale. Which of the targets under discussion fall inside and which fall outside becomes visible on the map.
- Data
- CSIS Missile Threat · SIPRI · Janes · Natural Earth · OpenStreetMap
- Output
- Vertical video · range ring map · source report
03August 2026
Where can a data centre actually go in Türkiye?
The country is building its first hyperscale facilities. Where do they physically fit?
3,007 hexagons, 27 attributes. Once power, water and ground constraints stack up, the country narrows from 65% to 4% of its area.
- Data
- OpenStreetMap power infrastructure · GEM active faults · WRI Aqueduct 4.0 · Copernicus GLO-30 · GHSL
- Output
- Suitability score map · H3 dataset · constraint funnel chart
04July 2026
One week of wildfire in Türkiye
The fire reports keep coming. What does the country-scale picture look like?
Between 23 and 30 July 2026 satellites logged 2,710 active fire detections across 40 provinces. The concentration sits along the Aegean and western Mediterranean coast, peaking in the last two days of the week.
- Data
- NASA FIRMS VIIRS (SNPP / NOAA-20 / NOAA-21) · OpenStreetMap · Terrarium DEM
- Output
- Eight-day animation · 16:9 and 9:16 versions · daily detection chart
05June 2026
How far can you get in an hour by bike?
Starting from one point, how much of the city opens up on a bicycle?
The ride out of Maltepe was built up ring by ring, from five minutes to a full hour. Reach extends fast along the flat shoreline; inland, slope and a broken street network cut it back sharply.
- Data
- OpenStreetMap street network · bicycle routing · CARTO basemap
- Output
- Stepped reach animation · GIF and MP4 · time-banded map
06August 2026
A restaurant chain's real catchment
What share of Istanbul can reach a branch within a 15-minute drive?
The 15-minute drive areas of 29 branches merge into 561 km². That covers 8.17 million people, 57% of the city. Kadıköy and Ataşehir are fully covered; Şile and Çatalca are at zero.
- Data
- OpenStreetMap branch points · Valhalla isochrones · GHS-POP 2025
- Output
- Coverage map · district coverage table · vertical animation
07August 2026
Istanbul's fastest metro line
Which line is genuinely fast, and what is that speed bought with?
M11 leads at 72.1 km/h because its stations sit 4.89 km apart on average. On M2 the gap is 1.31 km. Speed is paid for in access: M11 carries 29,622 passengers a day, M2 carries 396,994.
- Data
- Metro Istanbul timetables · OpenStreetMap route relations
- Output
- Race animation · ranking table · square and vertical versions
08August 2026
What happens when 1.41 km of a metro line closes?
When a single section shuts, how much time does the corridor lose?
The closed section is 2 minutes 9 seconds on the timetable. For stations to the west, the trip to Mecidiyeköy grows by 18.5 minutes. The daily loss totals 41,505 hours. Backup lines exist, but none of them go there.
- Data
- Metro Istanbul timetables · İETT service data · Valhalla pedestrian routing · OpenStreetMap
- Output
- Two-panel poster · time-loss map · vertical video
09August 2026
How many kebab houses within a 15-minute walk?
Starting from one point, how many businesses can you reach on foot?
The 15-minute walking area around the Erzurum Congress Building covers 3.3 km² and holds 22 cağ kebab houses, 12 of them within the first three minutes. The castle is 809 metres away but falls outside the area because of the climb.
- Data
- Overture Maps business points · OpenStreetMap basemap · Valhalla
- Output
- Vertical animation · walking area map · travel time matrix
10October 2025
Damage in Gaza, by date
Across two years of war, where and when did the destruction spread?
Of 196,106 damaged structures, 104,561 were recorded in the first three months. The largest single jump came in the 6 January 2024 round: 45,570 new structures. 63% are classed as destroyed.
- Data
- UNOSAT / UNITAR comprehensive damage assessment, 11 October 2025 release
- Output
- 14-frame animation · 1920×1080 and 1080×1920 · GIF and MP4
11July 2026
The geography of return
Nineteen months after the civil war ended, what do the records say?
The registered Syrian population in Türkiye fell by 692,496 people, with declines in 79 of 81 provinces. 39% of those who returned to Syria left from Türkiye.
- Data
- Presidency of Migration Management provincial statistics · UNHCR return data
- Output
- Provincial change map · flow chart
12June 2026
Where in the world do refugees live?
The debate runs through Europe. What does the data show?
41.6 million people across 170 countries. More than half live in just 12 countries, and 75% in low and middle income countries.
- Data
- UNHCR Refugee Data Finder, 31 December 2025 · UNRWA
- Output
- World map · country ranking
13July 2026
Who carries the weight?
If countries were drawn by refugees per 1,000 residents rather than by area, what would the map look like?
Lebanon sits at 123 per thousand. The gap between Lebanon and the United Kingdom is fifteenfold. The cartogram inverts the sense of scale the standard map gives you.
- Data
- UNHCR RiMAP · national populations
- Output
- Cartogram poster · Turkish and English versions · entry animation
14July 2026
Heat vulnerability across Europe
The question is not where it is hot, but who the heat falls on.
Summer surface temperature and the share of residents over 65 were combined at equal weight across 1,500 NUTS-3 regions. The most vulnerable regions are not the hottest ones.
- Data
- MODIS MOD11A2 (2021-2025 summer median) · WorldPop 2020 · Eurostat GISCO
- Output
- Vulnerability map · regional ranking
15August 2026
The Türkiye of 86 million
If every province were drawn by population rather than by land area, what would the country look like?
All 81 provinces were resized; Istanbul grew thirtyfold. Mean area error is 0.8%. The population table was cross-checked against two independent sources.
- Data
- TurkStat ADNKS 2025 · GADM 4.1 provincial boundaries
- Output
- Poster · diffusion cartogram
16August 2026
If everyone went back to where they're registered
What if Türkiye were drawn by civil registry rather than by residence?
The largest registry is Şanlıurfa's, at 3.21 million. 83% of Istanbul residents are registered in another province. Ardahan's ratio is 6.15 to one.
- Data
- TurkStat ADNKS 2025 (bulletin 53783) · GADM 4.1
- Output
- Demers square cartogram · two poster versions