working demo: https://felipedeaujaques.github.io/EdenHazards/maplibreVersion.html
used data:
volcanoes: https://webservices.volcano.si.edu/geoserver/GVP-VOTW/wfs?request=GetCapabilities
airports: https://data.opendatasoft.com/explore/dataset/osm-world-airports@babel/export/
ports: https://datacatalog.worldbank.org/search/dataset/0038118
earthquakes (last 30 days, significant): https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/significant_month.geojson
dams: https://www.globaldamwatch.org/
high risk flood area: https://www.ldeo.columbia.edu/chrr/research/hotspots/coredata.html (much more data for other hazards)
medical (hospitals, doctors, pharmacies, etc): https://healthsites.io/map
air quality: https://openaq.org/
wildfires (California only): https://incidents.fire.ca.gov/umbraco/api/IncidentApi/GeoJsonList