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Transparency International: Citizens walk 150 km in the countryside of Brazil to audit public investments linked to climate change

As anti-corruption and environmental activists set off on a 150-kilometre march across Piauí state in Brazil, Transparency International is calling on authorities to ensure transparency, accountability, and civic participation in climate-related spending.

Berlin - The “march against corruption and for the climate” spans 15 days, bringing together citizens, students, and community leaders determined to hold public institutions accountable. Marchers audit public works, such as sanitation and health infrastructure, across six municipalities, amid growing awareness that poor governance and corruption are eroding Brazil’s climate resilience.

Organised by Força Tarefa Popular (the Piauí People’s Task Force) and supported by Transparency International Brazil, the march underscores the urgent need for democratic oversight. The call comes at a critical time, as Brazil prepares to host COP, the UN Climate Summit later this year.

Nicole Verillo, Head of civil society engagement at Transparency International Brazil said:

“The march is living proof that the fight against corruption is a fight for rights — it marches, denounces, monitors and demands justice. When local communities stand up to protect their rights and the future of the planet, the government needs to listen. That is why Transparency International - Brazil participates and supports the work of organisations like the Popular Task Force. There is no fight against corruption without the participation of society.”

Maira Martini, CEO of Transparency International said:

“We cannot separate the fight against corruption from the fight for climate justice. When public funds meant for climate adaptation are misused or lost to corruption, it’s the most vulnerable communities who suffer first. Citizens in Piauí are taking action, walking one kilometre after another, to demand transparency and protect their future. Authorities must listen.”

Despite progress in deforestation in recent years, civil society monitors warn that lack of transparency in environmental data, fraud in land tenure, illegalities in mining projects and logging, political use of public fundings, and undue influence from powerful lobbies continue to undermine climate action across Brazil. The march aims to build public pressure for stronger oversight and to ensure climate investments reach the communities that need them most.

The journey will culminate in a public hearing on 26 May, where marchers will present findings and policy recommendations to local mayors, public prosecutors, and oversight institutions.

Notes to editors:

  • Interviews with participants, organisers, and experts from Transparency International’s chapter in Brazil are available upon request.
  • Photos and video footage of the march will be made available for media use.