Pacific Dataviz Challenge 2026

From Rising Seas to Rising Costs of Living

A Pacific climate story about how pressure moves from the ocean into food, homes, transport, income, and the daily cost of living.

Across the Pacific, climate change does not stop at the shoreline. What begins as higher tides, shifting rainfall, stronger disasters, and weaker food systems can eventually appear as higher prices, damaged homes, lost income, longer travel, and harder choices for families.

When the ocean changes, the cost is not only measured in centimetres of sea-level rise. It is also measured in household pressure.

Pressure chain 5-step pathway

How does ocean pressure reach the household?

Ocean → household pathway Follow the cost

Evidence base

Five signals, one connected Pacific story

The charts and country lens use five official indicators to follow a simple question: how can climate pressure move from the ocean, through communities and food systems, into household costs?

Opening story

The ocean is moving closer to daily life

Pacific communities have always lived with the ocean. It feeds families, connects islands, protects shorelines through reefs and mangroves, supports culture, and carries trade.

But the relationship is under pressure. Higher seas reach further inland. Heavy rain and drought make food and water less reliable. Disasters damage homes, roads, wharves, schools, clinics, boats, and gardens. When these systems are disrupted, the cost does not stay in the environment. It moves into markets, transport, public budgets, and family decisions.

This website follows that movement: from rising seas to rising costs of living.

Regional starting point

One ocean, many local frontlines

The Pacific is connected by one ocean, but climate pressure is felt differently from country to country. A low-lying atoll may face saltwater in wells and gardens. A larger island country may face coastal erosion, flooded roads, landslides, crop losses, and transport disruption.

Choose a country code to follow how the same pressure chain can appear in different places.

Rising seas Rainfall shifts Disaster cost Food pressure Household stress
Pacific island map

Story transition

The map shows where the story begins. The data shows how the pressure travels.

A regional view gives scale. The country lens makes it practical by asking where each place can see pressure before it becomes household hardship.

Choose a place Read the signals Papua New Guinea lens

Country evidence

Five signals that connect climate pressure to daily life

Choose a country and follow the same five signals through the charts below. Each signal tells one part of the story: sea-level pressure, rainfall change, disaster cost, people directly affected, and food-system pressure.

Data coverage differs by country and indicator. The charts should be read as evidence signals, not as a complete ranking of vulnerability.

Tip: click any evidence card to focus it, then press Esc or click outside to return.

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1. Sea-level pressure 2. Rainfall pressure 3. Disaster cost 4. People affected 5. Food pressure 6. Cost context

Ocean signal

1. Sea-level pressure: sea level anomaly trend for selected country

Unit

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Weather shift

2. Rainfall pressure: rainfall anomaly trend

Unit

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Disaster cost

3. Disaster cost: direct economic loss

USD

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Human impact

4. People affected: people directly affected

Persons

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Food pressure

5. Food pressure: crop yield trend

Unit

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Household cost context

6. Cost context: inflation rate trend

Supporting CPI/inflation data. This provides household cost context, but it is not treated as proof that climate alone causes price changes.

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Forecast-style scenario

What happens if the pressure keeps building?

This is not a prediction of one single future. It is a practical scenario showing how connected pressures can build over time if climate risks continue to intensify.

Imagine a coastal Pacific community over the next decade. King tides reach further inland. A road floods more often. A garden is damaged by saltwater after storms. Fishing becomes less reliable in warmer periods. Heavy rain delays transport to the market.

At first, these may look like separate problems. For a family, they add up: more money spent on food, more time spent travelling, more income lost, and more savings used for repairs.

Scenario message

The future cost of climate change is not only the damage after a disaster. It is also the slow rise in everyday pressure before and after disasters happen.

Household Budget View

Climate pressure becomes real when families spend more to live the same life

Rising seas and changing climate conditions may begin as environmental signals, but the cost is often felt at the market, at home, on the road, and in the family budget.

For many Pacific families, climate change does not first appear as a scientific term. It appears as a higher food price, a damaged roof, a flooded footpath, a failed garden, a longer boat trip, or a school day missed after heavy rain.

A family may spend more on rice because local crops were damaged. They may spend more on fuel because travel takes longer. They may spend more on repairs after flooding. They may lose income because fishing was poor, the market road was closed, or a small business could not open after a storm.

These are not separate costs. They are connected costs. The ocean changes, the coastline weakens, food and transport systems come under pressure, and households are left to carry more of the burden.

Cost pathway from ocean pressure to household bill
01 Sea pressure 02 Coastline stress 03 Food and transport 04 Income pressure 05 Household bill
01

Food

When gardens, crops, and fisheries are disrupted, families may depend more on purchased or imported food. That can make meals more expensive and less reliable.

02

Housing

Flooding, erosion, strong winds, and storm surge can damage homes and increase the cost of repairs, rebuilding, or relocation.

03

Transport

Damaged roads, wharves, bridges, and coastal routes can make travel longer, fuel costs higher, and goods harder to move.

04

Income

Fishing, farming, tourism, roadside markets, and small businesses can lose income when climate shocks interrupt daily work.

05

Health and wellbeing

Water stress, heat, flooding, food insecurity, and relocation pressure can increase stress on families and communities.

Key message: A climate-resilient community is not only safer. It is also better protected from rising everyday costs.

Country evidence lens

Country Evidence: Choose a Pacific Lens

Each country faces the pressure chain differently. Select a country to see how ocean and climate pressure can move into homes, food systems, transport, income, and recovery costs.

PG Selected lens

Papua New Guinea

Coastal pressure, food systems, and transport risk

Papua New Guinea is not a low-lying atoll, but many communities still face coastal erosion, flooding, landslides, food-system pressure, and transport disruption. When roads, gardens, coastal homes, or market access are affected, the climate cost can move quickly into household spending and income.

Country pressure chain Papua New Guinea

Ocean and rainfall pressure → damaged coastlines, roads, and gardens → weaker market access and income → higher household costs.

What is exposed

Homes, coastal villages, roads, gardens, ports, markets, and rural livelihoods.

What families may feel

Higher food prices, repair costs, lost income, longer travel, and pressure to move away from unsafe areas.

What resilience needs

Safer roads, protected coastlines, stronger food systems, early warning, and local planning.

1. Sea-level pressurePending dataOfficial dataset
2. Rainfall pressurePending dataOfficial dataset
5. Food pressurePending dataOfficial dataset
3. Disaster cost rankingPending dataTotal reported values
4. People affected rankingPending dataTotal reported values
6. Cost contextPending dataSupporting CPI dataset
How to use this evidencePapua New Guinea turns the regional story into a planning conversation about coastal safety, roads, gardens, markets, disaster readiness, and household protection.Use this lens to compare local pressure against the wider Pacific pattern.

Real-life pressure points

The data shows the signal. Real situations show where the pressure lands.

Country highlights connect the five indicators to real Pacific situations such as coastal erosion, flooding, saltwater intrusion, disaster loss, affected households, and food pressure.

How to read this section: The examples are not separate stories. They show where the same pressure chain touches land, food, homes, income, and community decisions.

Reading the story honestly

This is a pressure chain, not a one-line cause.

This story does not claim that sea-level rise alone causes inflation. The stronger and more honest message is that climate shocks travel through connected systems: damaged infrastructure, disrupted households, food pressure, recovery spending, lost income, and public budget strain.

Final takeaway

The ocean changes first. Families often carry the final cost.

Climate change is measured in sea levels, rainfall anomalies, disaster losses, affected persons, and crop yields. But it is experienced through damaged homes, disrupted gardens, recovery costs, lost income, longer travel, and pressure on family budgets.

The planning question is whether Pacific countries can connect the warning signs early enough to protect people before environmental risk becomes household hardship.

Pressure chain Papua New Guinea lens
01 Sea-level pressure Coastal exposure
02 Rainfall pressure Water and roads
03 Disaster cost Repair and recovery
04 Food pressure Gardens and markets
05 Household stress Everyday costs
When the ocean changes, the cost is measured in food prices, damaged homes, lost income, longer travel, weaker livelihoods, and harder choices for Pacific families.
Planning signal

Connect climate risk and cost-of-living pressure earlier.

Read the indicators together, because households experience them as connected pressure rather than separate technical measures.

Follow the signal

Papua New Guinea needs a clear climate-to-cost planning view.

The selected country lens keeps the Pacific comparison visible while showing how local evidence can support practical planning conversations.

Decision focus

Use the evidence to prioritise resilience.

The next step is to turn early signals into action: safer infrastructure, stronger food systems, better disaster readiness, and clearer budget planning.