The global pulse.

Where this atlas documents environmental issues, by category and severity. The Pulse shows the presence and density of documented issues — it reflects what TerraLens covers, not a measurement of global prevalence.

Category

Minimum severity

Issues shown: 3
Places: 3

Oceans: Coastal systems, marine ecosystems, coral reefs and ocean pollution.

Severity distribution · Oceans

Low0
Moderate1
High0
Critical2

Documented issues by category

Places · most severe first

MiamiSeverity: Critical
- Sea level rise and tidal flooding in Miami
Great Barrier ReefSeverity: Critical
- Marine heatwaves and coral bleaching on the Great Barrier Reef
PalawanSeverity: Moderate
- Coral reefs and marine biodiversity in Palawan

Severity is descriptive editorial metadata summarising documented effects. It is not a measured index or a score.