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What-If

Explore what could change.

Choose a place, a documented issue and one of its documented interventions, then set how far it goes.

ILLUSTRATIVE SCENARIO — NOT A SCIENTIFIC PREDICTION. Built from documented causes, impacts and solutions plus general qualitative patterns. It contains no modelled numbers.

3 · Intervention
PilotScaledTransformative

Adopted across much of the area, with dedicated budgets and enforcement.

Illustrative scenario

What if Palawan took a scaled approach to “Marine protected areas”?

Starting point · documented

OceansSeverity: Moderate
Coral reefs and marine biodiversity in Palawan

Palawan's reefs and mangroves are rich in biodiversity but face pressure from warming, destructive fishing and tourism.

The intervention · documented

Marine protected areas

Well-enforced no-take zones such as Tubbataha.

Supports fish biomass and reef resilience.

Schematic direction of change

Local action builds resilience, but ocean warming and acidification depend on global emissions.

Schematic, unitless illustration: relative pressure over time without the intervention compared with the intervention in place. Not based on measured data.NowLonger term →Relative pressure (unitless)
Without the intervention With the interventionSchematic shape only — no data, units or dates.

Causes this could address

  • Marine heatwavesElevated sea temperatures cause coral bleaching.

Impacts that could ease

  • Coral bleaching and mortalityRepeated heat stress can kill corals and reduce reef complexity.
  • Fisheries declineDamaged reefs support fewer fish, affecting food security.

Wider reach at higher intensity is an assumption of this illustration.

How change might unfold

  1. Near term

    Reduced local pressures such as pollution or overfishing give ecosystems some relief.

  2. Medium term

    More resilient ecosystems may recover faster between disturbances.

  3. Long term

    Long-term outcomes depend heavily on the trajectory of global warming.

Faded stages are less likely to be reached at scaled intensity.

What this would not change

Marine heatwaves and sea level rise are driven globally and will continue without global emission cuts.

What it depends on

  • Sustained funding and institutional capacity
  • Consistent enforcement and monitoring
  • Local stakeholder support
  • Participation of affected communities

ILLUSTRATIVE SCENARIO — NOT A SCIENTIFIC PREDICTION. Built from documented causes, impacts and solutions plus general qualitative patterns. It contains no modelled numbers.

Read the sources for this issue