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###### Mapping our world together

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### HOT IS AN INTERNATIONAL TEAM DEDICATED TO HUMANITARIAN ACTION AND COMMUNITY DEVELOPMENT THROUGH OPEN MAPPING.

LEARN WHAT WE DO    Start mapping

### PROJECT: Map2Mitigate: Community Mapping for Climate Risk Mitigation in Brazil

### PROGRAM: Mapping for Climate-Ready Cities - Bangladesh and 12 other countries

### TECH UPDATE: On the Front Line of Climate Change: End-to-End Open Mapping Tech for Wildfires

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491K

Total Mappersⓘ Total number of Mappers using HOT Tasking Manager - as of May 2024

260M

Total Map Editsⓘ Total number of edits mapped using HOT Tasking Manager - as of May 2024

156.4M

Buildings Mappedⓘ Total number of buildings mapped using HOT Tasking Manager - as of May 2024

3.4M

Roads Mapped (KM)ⓘ Total length of roads mapped using HOT Tasking Manager - as of May 2024

###### Updates

19 Aug 2025

#### Advancing Mangrove Monitoring in Indonesia Through Open Mapping and Collaboration

Effective conservation monitoring requires reliable, open spatial data. Through the Map4Mangrove project, Open Mapping Hub - Asia Pacific partners with organizations engaged in mangrove rehabilitation in Indonesia to strengthen their monitoring efforts through open mapping.

Indonesia - Tony Liong, Honey Grace Fombuena, Harry Mahardhika Machmud

14 Aug 2025

#### Mapatón Nacional de Colombia 2025: Juventudes y datos abiertos para anticipar riesgos

El Mapatón Nacional de Colombia 2025, segunda edición de esta iniciativa, demostró cómo la colaboración entre instituciones, comunidades y juventudes puede transformar la gestión del riesgo.

Colombia - Mariana Marín

12 Aug 2025

#### Data Gaps in Myanmar’s 2025 Earthquake Response: Demonstrating the Urgent Need for an Open Mapping Approach

Since the devastating earthquakes on 28 March 2025 in Central Myanmar, many international and local humanitarian actors, including the Humanitarian OpenStreetMap Team (HOT), have been actively supporting the disaster response and recovery. Explore how HOT is working with mappers to address local data challenges.

Myanmar - Bernard Heng, Jessica Pechmann, Honey Grace Fombuena, Sam Colchester, Dinar Adiatma, Mikko Tamura, Claudio de los Reyes Teran, Ralph Aytoun

## Our Impact

HOT's work is global in scale and contributes to the achievement of the Sustainable Development Goals (SDGs). Our Monitoring and Evaluation framework is constantly evolving to ensure tangible and measurable impact. Check out our core impact areas and learn more about where we're making a difference.

- Disasters & Climate Resilience
- Sustainable Cities & Communities
- Public Health
- Displacement & Safe Migration
- Gender Equality
- Programs

### Tools & Data

Access free, open source tools for community mapping. Export data from OpenStreetMap for humanitarian and development programs.

View the tools

### Community & Events

Learn about the community and the latest events — especially about the Open Summit 2023, a decentralized, year-long program of 13 global, regional, and local conferences.

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### Partnerships

Want to know more about ways you can partner with HOT? Start creating and supporting the #GlobalGoals with free, open map data through becoming a partner.

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Humanitarian OpenStreetMap Team is a 501(c)(3) not-for-profit organization and global community. Learn more about OpenStreetMap.