HeiGIT
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heigit.org
HeiGIT
@heigit.org
Open-source geoinformation, methods and software for the benefit of the environment and society.
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This is the official account of HeiGIT (Heidelberg Institute for Geoinformation Technology) at Heidelberg University.
Check us out at https://heigit.org/
🚲 Map of the Month

Using the Climate Action Navigator, we looked at Bologna's cycling network. 30% of cycling paths are shared with cars under a 30 km/h speed limit, showing how traffic regulation and cycling infrastructure work together in urban mobility.

buff.ly/K1L9Eb8

#ZeDay #WorldCarFreeDay
September 22, 2026 at 7:58 AM
Seven of eight safe and just Earth System Boundaries have already been breached. A new paper in Nature Human Behaviour asks what this means for health equity, and why responsibility cannot rest on individuals alone.

buff.ly/ckdHozZ
September 21, 2026 at 3:05 PM
With shadow data, we are building tools for climate-resilient urban planning.

Free shade data for 136 cities in 44 European countries, plus two tools that use it. hiShade shows where shade is missing in a walkable network. Our routing tool finds walking routes.

buff.ly/Un08NG6
September 17, 2026 at 8:01 AM
Tropical mosquitoes are now local 🦟
In Heidelberg, we found Aedes albopictus breeding depends on urban structure: terraced housing hosted most sites, multi-family the least. Control reduces breeding, but unmanaged private plots remain the weak point.
Local strategies matter.
buff.ly/OCR1EdJ
September 16, 2026 at 7:30 AM
What makes a street a place people want to walk? 🚶

HeiGIT and the Walk21 Foundation have expanded hiWalk assessment tool in the Climate Action Navigator with new indicators for tree shade, path lighting, tactile paving, nearby amenities, & many more.

More: buff.ly/sTDJTQI

#ClimateAction #Cities
September 15, 2026 at 8:02 AM
The European cities with the most heat stress days have the least shade along their cycle paths. 🚴

Our new indicator for the 2026 #LancetCountdown Europe Cities Report measures tree shade along cycle paths in 885 European cities.

👉 buff.ly/OwRJ1Hr

#ClimateAction #OpenStreetMap
September 10, 2026 at 8:00 AM
Reposted by HeiGIT
Heidelberger Geoinformatiker klassifizieren globale Straßennetze: Straßenzustand als Indikator für sozioökonomischen Fortschritt – Öffentlich zugänglicher Datensatz kann auch für humanitäre Zwecke genutzt werden www.uni-heidelberg.de/de/newsroom/...
#universität #heidelberg #uniheidelberg #giscience
September 2, 2026 at 1:27 PM
Reposted by HeiGIT
@heigit.org advances GeoAI through international collaboration with Prof. Dr. Wenwen Li and Prof. Dr. Song Gao. New research into multimodal geospatial data and disaster response.
Advancing GeoAI through International Collaboration – HeiGIT
HeiGIT recently welcomed Prof. Dr. Wenwen Li and Prof. Dr. Song Gao for research visits focused on GeoAI, multimodal geospatial data, human mobility, and disaster response. Their visits strengthened international collaboration and opened new opportunities for joint research and academic exchange.
heigit.org
August 20, 2026 at 4:40 PM
On #WorldHumanitarianDay, we honor communities that turn data into action🌍

At HeiGIT, tools like MapSwipe, Sketch Map Tool, OpenAccessLens and our #GIS Training Platform help connect geospatial data with local knowledge & humanitarian needs.

🔗https://youtube.com/shorts/wO4oE0gnvvk?feature=share
https://youtube.com/shorts/wO4oE0gnvvk?feature=share
youtube.com
August 19, 2026 at 8:00 AM
New tree shade indicator on our Climate Action Navigator maps tree shade street by street.

Local governments & civil society organizations get a free, detailed view of where shade helps & where it is missing, so they know where new trees matter most.

Blog: buff.ly/r6Vx8yd
Tool: buff.ly/Jh1rz0S
August 11, 2026 at 8:01 AM
It´s been a year since we released hiWalk: a free resource for cities and NGOs to assess walkability and discover the potential for making their cities more livable.
Use it to see where infrastructure improvements would have the most impact in your city: climate-action.heigit.org/dashboard/pl...
July 29, 2026 at 8:03 AM
Our very first newsletter is out!
It´s about big changes in openrouteservice, heat-aware mobility projects from Germany to Tanzania, new geoinformatics publications & more: mailings.heigit.org/m/17210084/5...
Sign up to have the next one delivered to your inbox: mailings.heigit.org/f/386599-406...
July 15, 2026 at 7:45 AM
We have a new tool to visualize which buildings have solar panels, and where there is potential to produce more sustainable energy.
Cities and NGOs can use it to develop targeted strategies to make their city less dependent on fossil fuels.
Find out more: heigit.org?p=43119
July 6, 2026 at 8:01 AM
HeiGIT started as a university project 10 years ago. Today, we are a non-profit organization with 70+ people and dozens of running projects on open-source geodata, GIS software and research for the benefit of the environment and society.
A great reason to celebrate at our team retreat this week! 🎂
July 3, 2026 at 7:45 AM
𝗪𝗮𝗹𝗸𝗶𝗻𝗴 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝟰.𝟲 𝗯𝗶𝗹𝗹𝗶𝗼𝗻 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝗮𝗿𝘁𝗵’𝘀 𝗵𝗶𝘀𝘁𝗼𝗿𝘆 𝘄𝗶𝘁𝗵 #𝗼𝗽𝗲𝗻𝗿𝗼𝘂𝘁𝗲𝘀𝗲𝗿𝘃𝗶𝗰𝗲 🌍

Deep Time Walk turns Earth’s history into a 4.6 km walk, where every meter represents one million years. Using OpenStreetMap data, the Route Creator helps facilitators plan accurate routes.

More info 👉 buff.ly/oH09FYF
July 2, 2026 at 7:53 AM
Looking for high-res data for your work in climate-resilient urban planning, sustainable mobility, or local emission reduction policies?
Explore the potential for climate action in your city on the Climate Action Navigator dashboard: climate-action.heigit.org

More info: heigit.org/climate-acti...
June 29, 2026 at 8:36 AM
Reposted by HeiGIT
One major help might come in the form of an #opensource app created by @heigit.org called #shaded. The #app identifies #heatstress along a route and suggests alternative paths that lead through parks and shaded areas.

Full article:
Shady Routes in Times of Climate Crisis: How a Routing App Protects Against Heat Stress
In Heidelberg and Worms, the shaded.ors app is already helping people navigate the shade. However, HeiGIT’s routing application can also be adapted for use in other cities – and has the potential to become an important tool for climate adaptation.
en.reset.org
June 25, 2026 at 11:53 AM
Reposted by HeiGIT
🧵Imagine: Its the middle of #June and the first #heatwave has already hit. It's so hot outside that when you open your window, it feels more like opening an oven door on full blast and when the sun touches your skin it has no mercy... 👇
June 25, 2026 at 11:53 AM
We are starting our own newsletter!
It will be sent out every few weeks, to give you a glimpse behind the scenes of geoinformation technologies for humanitarian aid and climate action.

📩 Subscribe here to have it delivered to you email inbox: mailings.heigit.org/f/386599-406...
June 24, 2026 at 7:45 AM
Reposted by HeiGIT
Our latest article writes about an app, developed by @heigit.org that shows you the shadiest routes to walk on hot sunny days 👇
Shady Routes in Times of Climate Crisis: How a Routing App Protects Against Heat Stress
In Heidelberg and Worms, the shaded.ors app is already helping people navigate the shade. However, HeiGIT’s routing application can also be adapted for use in other cities – and has the potential to b...
en.reset.org
June 23, 2026 at 10:36 AM
Reposted by HeiGIT
🎉 Great news: Our project HEAL has been nominated for the Blue Compass Community Award! 🆒😎

What started in Heidelberg is now helping people find cooler routes in more than 80 cities across Germany. 🌇

👉 Vote for HEAL: www.umweltbundesamt.de/form/voting-...

@uniheidelberg.bsky.social & @heigit.org
June 16, 2026 at 8:28 AM
How do you calculate shade for multiple cities in real time?

We want to share the technology behind our heat-avoiding routing and explain how it can be adapted to the specific needs of cities & municipalities.

heigit.org/introducing-...

#hitzeaktionstag
June 11, 2026 at 7:45 AM
Climate change challenges every city differently. What are you tackling in your city?
One year ago, we launched the Climate Action Navigator, an open dashboard with actionable data to build climate-resilient cities: buff.ly/vZZiNG8
Read more about its journey and applications: buff.ly/OgOc8zx
June 2, 2026 at 7:45 AM
We´ve built a heat-avoiding routing app available in 80 German cities. It calculates pedestrian routes based on high-resolution shadow data, steering people away from sun-exposed roads.
Want to co-develop it further based on your city`s data & needs?
📩 [email protected]
👉 heigit.org/heat-resilie...
May 21, 2026 at 8:30 AM
Another summer is approaching. What if routing could account for heat?
Soon, we are releasing heat-avoiding routing for 80 major German cities & looking for municipalities to co-develop it and shape it to their local needs.

👉 [email protected]

#HeatAdaptation #SmartCity #OpenSource #Klimaanpassung
May 13, 2026 at 8:01 AM