Tourism Is One of the World's Largest Markets. Why Is It Still Waiting for Other Sectors to Lead Sustainability?

Tourism is large enough to do more than wait for other industries to become sustainable. A publicly governed Tourism Sustainability Hub could turn a lawful share of sector revenue into independently verified progress across aviation, research, engineering, destinations and communities.

Before the pandemic, UN Tourism described tourism as the world's third-largest export category, after fuels and chemicals. The World Travel and Tourism Council estimates that Travel and Tourism contributed USD 11.6 trillion, or 9.8 percent of global GDP, in 2025 and supported 366 million jobs. Scale is not the missing ingredient. Coordination is. [1] [2]

Yet tourism still tends to look outward for sustainability solutions. It waits for aviation to decarbonise, energy systems to become cleaner, construction to become circular, finance to reward transition, universities to produce evidence and governments to build resilient infrastructure. This is understandable, but incomplete. Tourism is not merely a customer of those markets. It is one of the few global systems that connects them in the same place, at the same time, around a measurable flow of people and money.

Green Path Alliance proposes a Tourism Sustainability Hub: a transparent, publicly governed mechanism that ring-fences an appropriate share of eligible tourism-related revenue and reinvests it through open, competitive and independently evaluated programmes. The purpose is not to give the tourism industry private control over taxation. The purpose is to convert part of tourism's economic scale into a disciplined sustainability dividend for aviation, research, engineering, destinations, small businesses and communities.

The scale is already large enough

Tourism's economic reach is often presented as a reason to protect growth. It should also be understood as a capacity to organise transition. WTTC's latest economic impact research places the sector close to one tenth of the global economy. Its environmental and social research estimates that Travel and Tourism accounted for 7.3 percent of global greenhouse gas emissions in 2024, down from 8.3 percent in 2019. UNEP also identifies the sector's growing demand for energy, water, land and materials, together with waste, sewage, biodiversity and emissions pressures across the value chain. [2] [3] [4]

Those figures should not be used to portray tourism only as a problem. They show why tourism is large enough to become part of the solution. A sector that mobilises airlines, airports, hotels, food suppliers, transport operators, construction firms, technology providers, cultural institutions and public authorities already possesses a cross-market platform. What it lacks is a trusted revenue cycle and a governance model capable of turning that platform into measurable progress.

Why tourism still waits for other markets

The sustainability architecture around tourism is fragmented. Emissions are counted in one system, destination pressure in another, visitor taxes in a third and infrastructure budgets in a fourth. Airlines, local authorities, universities and engineering teams often compete for separate funding even when they are trying to solve the same destination problem. The result is a familiar pattern: tourism earns the revenue, residents carry part of the pressure and transition projects wait for funding from programmes that were not designed around the visitor economy.

This separation also weakens accountability. A visitor may pay an accommodation levy without seeing what it finances. A tourism business may invest in efficiency without receiving credible recognition. A public authority may announce a climate target without linking expenditure to verified outcomes. An airline may participate in a pilot, but the knowledge remains closed or the support is confused with a commercial subsidy. Sustainability becomes a collection of isolated actions rather than a system.

OECD work on tourism policy notes that tourism taxes can help fund infrastructure and services and that earmarking revenue can strengthen acceptance among visitors, businesses and communities. The policy opportunity is to go further without weakening public oversight: define a transparent sustainability purpose, publish the flow of funds and require evidence of the outcomes purchased with that money. [5] [6]

Tourism already connects the sectors that must change

A destination is a practical laboratory for the wider economy. Electricity, mobility, food, water, waste, buildings, digital services, biodiversity and human behaviour all meet there. Improvements can be tested at a visible scale, evaluated against a baseline and transferred to other places. Tourism therefore has an unusual ability to convene sectors that normally work through separate ministries, budgets and professional languages.

The European Commission's transition pathway for tourism reflects this interdependence. It combines green and digital transition, resilience, skills, stakeholder support and enabling governance rather than treating sustainability as a single environmental project. UN Tourism's work on green investment similarly calls for mechanisms that aggregate demand across tourism value chains and improve access to sustainable finance. [10] [11]

The strategic question is therefore not whether tourism should replace energy, transport, engineering or research policy. It should not. The question is whether tourism can provide a shared demand signal, a reliable pool of transition finance, real-world pilot locations and an evidence framework that helps those markets move faster. It can, if the system is public-interest led and independently verified.

A Tourism Sustainability Hub

The Hub would be a governance and financing mechanism, not a new marketing label. It could operate at destination, regional or national level and be adapted to local law. Public authorities would retain full fiscal and regulatory authority. The Hub would coordinate evidence, open funding calls, technical review, contracting, monitoring and public reporting.

Eligible revenue could include a legally permitted share of accommodation or visitor levies, tourism licensing and concession income, destination contributions, selected airport or passenger charges where their legal purpose allows it, matched public funding, philanthropic finance and voluntary industry contributions. The exact mix must be established through fiscal and legal review. Core public services should not be displaced, and existing environmental obligations should not be relabelled as new investment.

Where the funding should go

How the revenue cycle should work

Safeguards against greenwashing and capture

A 12-month destination pilot

The model should be tested before it is scaled. Green Path Alliance proposes a 12-month pilot in one destination or region with a clearly defined visitor economy, willing public authorities and access to independent academic evaluation.

A successful pilot should not be judged by how much money it distributes. It should be judged by whether it creates additional outcomes, improves trust in the use of tourism revenue, produces knowledge that can be replicated and strengthens the destination for residents as well as visitors.

The role of Green Path Alliance

Green Path Alliance can contribute destination pressure analysis through SEDI, organisational governance and readiness assessment through GRAIL, stakeholder coordination and public-interest communication. These tools should support the evidence architecture rather than become automatic eligibility authorities. Methodologies, limitations, conflict controls and verification arrangements should be available for independent review.

The Alliance is ready to work with governments, destination management organisations, airlines, airports, universities, engineering bodies, tourism businesses, resident groups and financial institutions to design a lawful and testable pilot. The objective is not ownership of the model. It is the creation of an accountable system that others can inspect, improve and adapt.

Open call to institutions

We invite:

• public authorities and destination leaders to identify where tourism-related revenue currently flows and where measurable transition gaps remain;
• airlines and airports to propose collaborative projects with defined public value rather than requests for general support;
• universities and engineers to build the evidence, tools and infrastructure needed for implementation;
• businesses and communities to insist that revenue raised in the name of tourism produces visible benefits for the places that sustain it.

Tourism does not need to wait for every other market to become sustainable before it acts. Its value lies precisely in its ability to connect those markets. With transparent governance, lawful revenue design, competitive investment and independent verification, tourism can become a sustainability hub for the wider economy.

Conclusion

The tourism economy is already large enough to influence how aviation, energy, construction, mobility, food, technology and research develop. What is missing is not another promise. It is a visible pathway from tourism revenue to verified public benefit.

A Tourism Sustainability Hub would make that pathway explicit. It would collect only what the law permits, allocate funds through open rules, support innovation where risk and public value justify it, measure outcomes independently and return the evidence to the public. That is how one of the world's largest markets can stop waiting for sustainability and start organising it.