What this page is. Academic venues, repositories and research projects. Membership is computed: every published entry citing a URL the registry attributes to Frontiers appears below. The classification says who publishes — never how strong the evidence is. That judgement stays on each entry, in the grade beside it.

✔ Every published entry is checked against the public sources it cites before publication.

What the atlas cites it for

🇹🇭 Bangkok Traffy Fondue: Bangkok's LINE-Based Problem Reporting since 2022 · Official → 🇷🇼 Kigali Kigali's Air Quality Monitoring Network since 2021 · Peer-reviewed → 🇺🇸 Columbus Smart Columbus Operating System (Open Data Platform) 2018–2021 · Peer-reviewed → 🇿🇦 Cape Town Day Zero: Cape Town's Drought Demand Management 2015–2020 · Peer-reviewed → 🇵🇭 Manila Pasig River: Court-Ordered Water Quality Monitoring since 2008 · Peer-reviewed → 🇨🇴 Bogotá RMCAB Air Quality Network & IBOCA Alert Phases since 1997 · Peer-reviewed → 🇲🇽 Mexico City SIMAT Air Monitoring and the Valley of Mexico Contingency Programme since 1986 · Peer-reviewed →

Other research publishers

The whole layer

Who the atlas is quoting, counted across every published entry: Who publishes the evidence. The registry itself is open data: the dataset page.