We’ve updated the Climate Action Navigator to make data-driven local #climateaction easier 🌍 🔍 High-resolution data on walkability & bikeability, heating emissions, CO₂ budget, & land-use change ⚡ Faster vector-based maps 🌐 Interface now in English & German 📄 PDF reports climate-action.heigit.org

Happy holidays🎄 Thanks to our partners and collaborators for advancing open geoinformation technologies with us in 2025 for the benefit of society and the environment. Together, we turn geospatial data into insights for humanitarian response and climate action. Our milestones tinyurl.com/evbycst9

We have released and deployed a new version of ohsome-dashboard & of ohsome-quality-api to production 🎉 What´s new? German translation, a new welcome screen and an extended search interface. Oqapi extended its support for currentness to all topics. Happy Analyzing! 🙂 dashboard.ohsome.org

What if urban traffic speeds could be estimated using only #opendata? Our work combines #OpenStreetMap and Street View Imagery to infer #traffic speed classes across a whole city. The focus is on long-term, typical traffic patterns and spatial completeness. Case study: Berlin tinyurl.com/2hsdjuzw

How to use Earth observation data and techniques in studying different domains of disaster management? 🌍 Our contributions featured in Data-Driven Earth Observation for Disaster Management: From Theory to Practical Applications talks exactly about that! Read more 👉 buff.ly/xqN9RHj

𝗧𝗵𝗲 #𝗜𝗙𝗥𝗖 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗚𝗜𝗦 𝗧𝗿𝗮𝗶𝗻𝗶𝗻𝗴 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗶𝘀 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗮𝗹𝘀𝗼 𝗶𝗻 𝗦𝗽𝗮𝗻𝗶𝘀𝗵: giscience.github.io/gis-training... We´ve recently used the new translated version in a training with several National Red Cross Societies in Bogotá. It´s great to see #GIS become more accessible for humanitarian work!

We have two new indicators in our assessment tool for residential heating emissions: building construction year & energy carrier🏘️ Let´s test the new features by looking at Kalbach-Riedberg (#Frankfurt). Some areas seems to have no emissions: how is this possible? 🔎 heigit.org/new-indicato...

The latest #SketchMapTool release integrates #OpenAerialMap, allowing you to add freshly captured drone or openly licensed imagery as a base map with just an image ID. 🗺️ This makes #ParticipatoryMapping even more accessible and efficient in #humanitarian contexts and beyond! 🔗 heigit.org?p=41381

What’s your take on AI-assisted mapping in #OpenStreetMap? 🤖 More map data is now generated automatically, raising questions about transparency and #dataquality. Our research shows AI-created roads are hard to detect once mixed with human edits. How will mapping change? heigit.org?p=41526

Happy 30th birthday @klaus-tschira-stiftung.de! 🎉 To honor this milestone, we put together a short video to show what we do for humanitarian aid, climate action, and sustainable mobility with your support: youtube.com/shorts/0yWBj...

We have released a new hiBike update in the Climate Action Navigator! 🚲 Now with Greenness, Detour Factors, and Extended Summaries to help analyze bikeability with even more precision. Read more: heigit.org?p=41475 Try hiBike: climate-action.heigit.org/webapp/dashb... @radlobby.at

2025 was an exciting year for HeiGIT! More research, new collaborations, & initiatives that make open geodata more practical for humanitarian aid, mobility, and climate resilience. There is more to come in 2026! Thanks to the Klaus Tschira Stiftung & all partners 🎉 👉 heigit.org?p=41461 #opendata

Dynamic routing for humanitarian logistics Static #routing fails when roads collapse or flood — slowing relief when every minute matters. We’re developing dynamic routing that uses real-time, mission-specific data to help responders adapt routes on the fly and avoid delays. 🔍 buff.ly/hjk1qGt

#NewPaper on permafrost monitoring🌐 Volunteers successfully mapped Arctic permafrost with the open-source app MapSwipe. Results show that #CitizenScience can effectively contribute data to climate research. 👉 Blog: heigit.org/new-paper-on... 👉 Full paper: tc.copernicus.org/articles/19/... @awi.de

🗺 Join our online Mapping with Communities event, co-organized with the UBDC! Connect with global mappers to share work, learn, and collaborate. Two sessions: 8 & 9 December Register: heigit.org/events/mappi... Submit your project: heigit.limequery.org/341954?lang=en #CommunityMapping #GIS

𝗚𝗲𝗼𝗶𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗰𝘀 𝗵𝗲𝗹𝗽𝘀 𝗮𝗱𝘃𝗮𝗻𝗰𝗲 𝗴𝗹𝗼𝗯𝗮𝗹 𝗱𝗶𝗴𝗶𝘁𝗮𝗹 𝗵𝗲𝗮𝗹𝘁𝗵. At the 𝘎𝘭𝘰𝘣𝘢𝘭 𝘋𝘪𝘨𝘪𝘵𝘢𝘭 𝘏𝘦𝘢𝘭𝘵𝘩 𝘗𝘳𝘰𝘫𝘦𝘤𝘵 𝘞𝘦𝘦𝘬, we had the chance to discuss how #GIS can support #GlobalHealth through climate-related spatial indicators, advanced routing and accessibility analysis, & participatory mapping: heigit.org/geoinformati...

Influence of Meteorological Variables on PM₂.₅ in Temuco In biomass-heated Temuco, weather turns routine emissions into extreme PM₂.₅ episodes. Using data from 11 stations, the study links meteorology, spatial variability and the need to move away from polluting heating tech. tinyurl.com/2jr7sn9n

We are thrilled to contribute to the Climate Change AI Workshop at #NeurIPS 2025 in San Diego 🇺🇸. Our research team member Steffen Knoblauch will give a Spotlight Talk and present two posters that advance AI applications for climate action and resilience. 📅 6–7 December 2025 🔗 buff.ly/lQtfLfN #AI

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮𝟵: 𝗥𝗮𝘀𝘁𝗲𝗿 𝘖𝘚𝘔-𝘣𝘢𝘴𝘦𝘥 𝘓𝘜𝘓𝘊 𝘮𝘢𝘱 of 𝘒𝘢𝘳𝘭𝘴𝘳𝘶𝘩𝘦, 𝘎𝘦𝘳𝘮𝘢𝘯𝘺 🛰️🗺️ In the LaVerDi project, HeiGIT & @bkgbund.bsky.social combine OSM data with Copernicus Sentinel-2 imagery to make land-use & land-cover monitoring across Germany more precise & responsive. More: heigit.org/laverdi/

December starts with a brand-new lecture by the Heidelberg Geographical Society: Large-Scale Forest and Climate Protection? A Critical Look At Carbon Trading Post 📆 December 2, 2025 7:15 pm 📍 Lecture Hall 2 (HS2), Kirchhoff Institute for Physics (KIP), Heidelberg 🗣️ Prof. Dr. Christine Schmitt

ohsomeDB: new technical framework ohsomeDB is the new technical core of our ohsome framework, succeeding OSHDB. Based on PostgreSQL, PostGIS, and Citus, it will power faster and more scalable analyses behind the ohsome API, ohsome dashboard, and ohsome quality API. 🔗 heigit.org/moving-to-oh...

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮𝟲: 𝗧𝗿𝗮𝗻𝘀𝗽𝗼𝗿𝘁 Helsinki has achieved one year without traffic fatalities, thanks to a 30 km/h speed limit. Our #hiBike map shows most cycling paths are exclusive or shared with cars with 15 km/h limit. More #bikeability analysis: climate-action.heigit.org/webapp/dashb...

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮𝟱: 𝗛𝗲𝘅𝗮𝗴𝗼𝗻𝘀 𝘏𝘦𝘢𝘭𝘵𝘩𝘤𝘢𝘳𝘦 𝘢𝘤𝘤𝘦𝘴𝘴𝘪𝘣𝘪𝘭𝘪𝘵𝘺 𝘪𝘯 𝘚𝘵𝘰𝘤𝘬𝘩𝘰𝘭𝘮🩺🚶 The flu season has started, so we explore what share of #Stockholm’s residents can reach a doctor on foot. 📑Results - and a guide to create this kind of maps in #QGIS with ORSTools: workshops.heigit.org/orstools-wor...

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮𝟯: 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 𝘗𝘦𝘳𝘤𝘦𝘯𝘵𝘢𝘨𝘦 𝘰𝘧 𝘶𝘯𝘱𝘢𝘷𝘦𝘥 𝘳𝘰𝘢𝘥𝘴 𝘪𝘯 𝘔𝘰𝘻𝘢𝘮𝘣𝘪𝘲𝘶𝘦 🇲🇿 Today’s map visualizes the proportion of paved and unpaved roads across Mozambique, created using HeiGIT’s road surface dataset. 💡 Learn more here : buff.ly/bt2Y0XA

This year, ELLIS UnConference 2025 by ELLIS Unit Jena, co-located with #EurIPS Copenhagen, where Steffen Knoblauch will speak on AI for humanitarian response and climate resilience, and Satvik Parashar will present on AI-driven carbon fluxes from land-use and cover changes. 📆 2 Dec 🔗 buff.ly/OyK40qr

We are happy to announce that Alexander Zipf will deliver a keynote at the ISPRS/ISDE Conference 2025, where he will discuss how Geographic Information, particularly #OpenStreetMap, and #GeoAI can advance sustainable development. 📅 2-4 December 2025 📍 Nairobi, Kenya 🔗 buff.ly/ql1FYjn

🌍 New global satellite dataset for #humanitarian routing & tracking infrastructure change. Paved vs. unpaved roads worldwide, based on high-res imagery to support better routing, accessibility mapping & planning where data is scarce. 🔗 tinyurl.com/4cb4ke2m #GISday #opendata #geospatial #GIS

📢 𝗗𝗲𝗮𝗱𝗹𝗶𝗻𝗲 𝗘𝘅𝘁𝗲𝗻𝗱𝗲𝗱 – #𝗖𝗮𝗹𝗹𝗳𝗼𝗿𝗣𝗮𝗽𝗲𝗿𝘀 The deadline for our special issue “VGI and Remote Sensing for Sustainable and Climate-Resilient Environments” has been extended to May 2026. We look forward to your submissions: heigit.org/events/call-...

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟭𝟱: 𝗙𝗶𝗿𝗲 𝘔𝘰𝘥𝘦𝘭𝘦𝘥 𝘴𝘰𝘭𝘢𝘳 𝘦𝘹𝘱𝘰𝘴𝘶𝘳𝘦 𝘪𝘯 𝘏𝘦𝘪𝘥𝘦𝘭𝘣𝘦𝘳𝘨☀️ Researchers modeled solar exposure across #Heidelberg's pedestrian network by combining OSM data with detailed building & vegetation models. It´s part of the HEAL project, that helps cities adapt to rising heat. heigit.org/heal/

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟭𝟰 𝘓𝘢𝘯𝘥𝘶𝘴𝘦/𝘓𝘢𝘯𝘥𝘤𝘰𝘷𝘦𝘳 𝘪𝘯 𝘉𝘰𝘴𝘯𝘪𝘢 𝘢𝘯𝘥 𝘏𝘦𝘳𝘻𝘦𝘨𝘰𝘷𝘪𝘯𝘢 Today´s map shows land use in Bosnia and Herzegovina, based on our #OSMlanduse dataset, which combines #OpenStreetMap and Copernicus Sentinel-2 data to create land use maps of Europe. 🔍Dataset info: heigit.org/osm-landuse-...

🌍 Join our Mapathon for Geography Awareness Week! We’re teaming up with the University of Würzburg, GeoDACH and AFNEG for an evening of open mapping in support of #MSF work in Indonesia. 🗓️ 18:30–21:30 📍 Im Neuenheimer Feld 205, 69120 HD (5th floor, IWR) 👉 heigit.org/events/geogr...

🌍 Excited to share that our AI Logistic Awareness System (AILAS) is featured in WIPO’s Green Technology Book 2025! AILAS uses #AI, #geospatial analytics & #opendata for weather-adaptive routing, improving disaster logistics & #resilience. AILAS: heigit.org/ailas/ Book: tinyurl.com/ymuyvx8f

🌾New research: Why are sugarcane farms abandoned in Rio de Janeiro State? New research shows local factors matter: Water stress Steep terrain Distance from sugar mills Climate + accessibility are key factors for #sustainable rural planning and #LandUse. 👉 heigit.org/new-paper-pr...

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟳 𝗔𝗰𝗰𝗲𝘀𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝘆 𝘗𝘳𝘦-𝘧𝘭𝘰𝘰𝘥𝘪𝘯𝘨 𝘢𝘤𝘤𝘦𝘴𝘴𝘪𝘣𝘪𝘭𝘪𝘵𝘺 𝘢𝘤𝘳𝘰𝘴𝘴 𝘗𝘰𝘳𝘵𝘰 𝘈𝘭𝘦𝘨𝘳𝘦, 𝘉𝘳𝘢𝘻𝘪𝘭 🇧🇷 Today’s map highlights road accessibility before the 2024 floods in #PortoAlegre, focusing on the BR-290 Freeway. 💡Mapping accessibility helps reveal vulnerabilities in transport networks.

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟲: 𝗗𝗶𝗺𝗲𝗻𝘀𝗶𝗼𝗻𝘀 𝘈𝘶𝘵𝘰 𝘨𝘦𝘯𝘦𝘳𝘢𝘵𝘦𝘥 3𝘋 𝘣𝘶𝘪𝘭𝘥𝘪𝘯𝘨 𝘮𝘰𝘥𝘦𝘭𝘴 𝘪𝘯 𝘛𝘳𝘰𝘯𝘥𝘩𝘦𝘪𝘮, 𝘕𝘰𝘳𝘸𝘢𝘺 𝘷𝘪𝘴𝘶𝘢𝘭𝘪𝘻𝘦𝘥 𝘰𝘯 𝘵𝘩𝘦 𝘊𝘦𝘭𝘴𝘪𝘶𝘴 𝘱𝘭𝘢𝘵𝘧𝘰𝘳𝘮 Today’s map goes beyond 2D, visualizing Trondheim, Norway, in three dimensions. The 3D building models were automatically generated in LoD2 (Level of Detail 2) from ALS.

HeiGIT welcomes Stefan Gumbrich as new Managing Director! Stefan, our former Innovation Manager with a PhD in Informatics and 20+ years at IBM, succeeds Gesa Schönberger. Thank you, Gesa, for your exceptional leadership. Onward with open geoinformation for social good! heigit.org/heigit-welco...

We are excited to introduce hiWalk 3.0🚶‍♀️, which expands our walkability analysis with two indicators: distance to benches and distance to drinking fountains.⛲. Explore how your city performs and help improve OpenStreetMap by adding missing benches or fountains! 🔍 heigit.org?p=40878

𝗛𝗲𝗶𝗚𝗜𝗧 𝗮𝘁 𝗦𝘁𝗮𝘁𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗠𝗮𝗽 𝗘𝘂𝗿𝗼𝗽𝗲🌍📍 We will join SotM Europe with several sessions on #OpenStreetMap, #geoAI, and humanitarian mapping. We look forward to discussing how Open Data, community collaboration and AI shape the future of mapping. 💡Our contributions: heigit.org/events/heigi...

#𝟯𝟬𝗗𝗮𝘆𝗠𝗮𝗽𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 - 𝗗𝗮𝘆 𝟮: 𝗟𝗶𝗻𝗲𝘀 𝘔𝘢𝘱𝘱𝘪𝘯𝘨 𝘳𝘰𝘢𝘥 𝘤𝘰𝘯𝘥𝘪𝘵𝘪𝘰𝘯𝘴 𝘪𝘯 𝘈𝘤𝘤𝘳𝘢, 𝘎𝘩𝘢𝘯𝘢 By combining Planet satellite data with Mapillary imagery, we reveal road infrastructure gaps. 🔍 Dataset: data.humdata.org/organization... 📆 Stay tuned for the release of a new road surface dataset!

Another year, another #30DayMapChallenge! 🗺️ 𝗗𝗮𝘆 𝟭: 𝗣𝗼𝗶𝗻𝘁𝘀 We start with a map of public transport stops in Stuttgart, Germany. The colors reflect how often the stops are serviced by public transport between 7am-7pm on weekdays. High frequency is key for a high-quality public transport network 🚌

This term's first HGG lecture: Multifunctional forestry between the Rhine Valley and Tauberland - Adaptation Strategies in Climate Change 📆 November 11, 2025 7:15 pm 📍 Lecture Hall 2 (HS2), Kirchhoff Institute for Physics (KIP), HD 🗣️ Dr. Mathias Steckel (Forstbezirk Odenwald) 💡 buff.ly/KjIQIzL

We´ll be at the 𝗜𝗻𝘁𝗲𝗿𝗻𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗟𝗮𝗻𝗱 𝗨𝘀𝗲 𝗦𝘆𝗺𝗽𝗼𝘀𝗶𝘂𝗺 with our work on integrating OSM data with satellite imagery using machine learning to detect land use changes. It is part of the LaVerDi project together with @bkgbund.bsky.social 💡https://tinyurl.com/land-use-symposium 🔍https://heigit.org/laverdi/

🗺️ Mapping with Communities goes online! Online event with Urban Big Data Centre. Two sessions (8 & 9 Dec) for different time zones. Join mappers & community initiatives worldwide—register as participant or presenter! Info & registration: heigit.org/events/mappi... #ParticipatoryMapping #GIS

🌡️ HEAL project featured on Climate Adaptation Stories! Our heat-resilient navigation app helps vulnerable populations navigate cities safely during extreme heat. Expanding across Europe! Contact us if your city could benefit. 👉 climate-adapt.eea.europa.eu/en/mission/s... #ClimateAdaptation

𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝗟𝗮𝗻𝗱 𝗖𝗼𝗻𝘀𝘂𝗺𝗽𝘁𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗔𝗰𝘁𝗶𝗼𝗻 𝗡𝗮𝘃𝗶𝗴𝗮𝘁𝗼𝗿 🏗️🌳 Urban regions are facing an increase in land consumption, with environmental & socio-economic consequences. The CAN`s new assessment tool supports decision making towards a sustainable land use: tinyurl.com/can-land-con...

𝗠𝗮𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗠𝗼𝗻𝘁𝗵: 𝗟𝗮𝗻𝗱 𝗨𝘀𝗲 𝗟𝗮𝗻𝗱 𝗖𝗼𝘃𝗲𝗿 (𝗟𝗨𝗟𝗖) 𝗖𝗵𝗮𝗻𝗴𝗲 𝗶𝗻 𝗚𝗿ü𝗻𝗵𝗲𝗶𝗱𝗲, 𝗕𝗿𝗮𝗻𝗱𝗲𝗻𝗯𝘂𝗿𝗴 Our LULC Change tool provides high-resolution emission estimates for a custom time period at a spatial scale. We analyzed LULC changes in Grünheide, Brandenburg (2020-2024). 🔍 climate-action.heigit.org/webapp/dashb...

The Silver Ways project aims to assist older adults in navigating cities by developing a routing system that targets their specific needs.🚶‍♀️ To ground this system in lived experience, we conducted a series of workshops with elderly groups across Mannheim. 📝 🔍 heigit.org/silver-ways-...

Crowdsourced street-level imagery has great potential for more inclusive maps. We have been combining deep learning techniques and street-level images to enhance disaster response and urban monitoring in underserved regions. Our results: heigit.org/streetscape-... #GeoAI #DeepLearning

From community knowledge to building resilience: #DisasterRiskReductionDay The Sketch Map Tool bridges the gap between analogue and digital mapping, transforming local knowledge into georeferenced data. 👉https://sketch-map-tool.heigit.org/ #ResiliencePays #ParticipatoryMapping #OpenData #GIS

You live in #Karlsruhe and like to walk or cycle around?🚶🚴 Join us at the 𝗞𝗜𝗧 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗪𝗲𝗲𝗸 next Sunday: We will take to the street by bike or on foot and collect insights on how public spaces can become more livable and bike-friendly. 📅Info & registration: heigit.org/events/kit-s... @kit.edu