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The climate movement gave this Texas tribe millions and a global platform. No one checked its story.

In May of 2017, Juan Mancias became an overnight sensation in France. Standing over 6 feet tall with a mane of salt-and-pepper hair, a medicine wheel-emblazoned ribbon shirt, beaded belt, and feathered medallion bearing the seal of the Carrizo/Comecrudo Tribe of Texas, he was conspicuous on the streets of Paris, and he had a message: […]

By deepak · August 13, 2026 · 5 min read

In May of 2017, Juan Mancias became an overnight sensation in France. Standing over 6 feet tall with a mane of salt-and-pepper hair, a medicine wheel-emblazoned ribbon shirt, beaded belt, and feathered medallion bearing the seal of the Carrizo/Comecrudo Tribe of Texas, he was conspicuous on the streets of Paris, and he had a message: French banks were financing the desecration of sacred Native lands and burial sites. They were, he said, aiding in the ongoing ethnic cleansing of Indigenous people in Texas through their support of natural gas pipelines and export terminals.

“It’s the same thing for 500 years,” Mancias told Observatoire des Multinationales. “We were occupied by the Spanish, by the Mexicans, then by the Texans, then by the Americans. And now it’s the oil industry.”

Three months before Mancias arrived in France, the last camps at Standing Rock emptied. For nearly a year, thousands of Indigenous water protectors and environmental allies had gathered near the Standing Rock Sioux Reservation in North Dakota to protest the Dakota Access Pipeline, or DAPL. Oil was now flowing through DAPL, but activists and environmental organizations kept the momentum of the protests going. 

In South Texas, Mancias had been fighting the same battle on a different front. He and Bekah Hinojosa, a grassroots activist in the Rio Grande Valley, spent weeks organizing against the proposed Rio Grande terminal and Rio Bravo Pipeline. The $18-billion projects would carry tens of millions of tons of natural gas each year to the export terminal in Brownsville, where it would be liquefied and shipped overseas as LNG. The battle led them to collaborate with Rainforest Action Network on a study documenting what it identified as the projects’ threat to the area, which included Carrizo/Comecrudo lands. The proposed industrial corridor, Mancias said, threatened the tribe and Garcia Pasture, a village site near Brownsville with human burials, ruins, and a rare coastal ecosystem the World Monuments Fund, an organization dedicated to raising global awareness of endangered cultural heritage sites, declared “threatened by natural resource extraction.”

“It used to be one of the places that we would gather as different clans and set up our lean-tos and be there for awhile while we were fishing,” Mancias said. “That’s why we were real concerned.”

The report circulated. People were paying attention.

Les Amis de la Terre, or Friends of the Earth France, saw an opportunity: French banks — including BNP Paribas and SociĂ©tĂ© GĂ©nĂ©rale — were, at the time, still financing DAPL and petrochemical industries in South Texas, including the Rio projects. Organizers believed they could pressure them to stop. 

“We had a broad objective of trying to prevent more financial flows and loans going from France to this project,” said Lorette Philippot, with Les Amis de la Terre, who worked on the campaign. “We had the difficulty to try to mobilize people on a project that was happening far away with impact on people that were far away.” 

By early spring of 2017, Rainforest Action Network, Sierra Club, and Les Amis de la Terre had a plan: Mancias and Hinojosa, who was a Sierra Club campaigner at the time, would travel to France to help launch an international divestment campaign. They would work alongside Indigenous activists and allies involved with Stand Up With Standing Rock, a European solidarity tour aimed at demanding banks divest from oil and gas projects in North America. 

Over the next week, they appeared in nearly a dozen print and radio outlets, including Le Monde and Radio France. They spoke at rallies. They built a symbolic oil pipeline inside a Paris branch of the bank SociĂ©tĂ© GĂ©nĂ©rale. A video of Mancias discussing Indigenous rights went viral. The pair were applauded by shareholders at BNP Paribas and booed by those at SociĂ©tĂ© GĂ©nĂ©rale. Mancias even secured a meeting with newly elected President Emmanuel Macron’s diplomatic advisors, where he explained how the United States government ignores Indigenous rights in Texas. 

“It was a very strong narrative and it helped us mobilize a lot of media at the time because there were these chiefs coming to France to address French companies,” said Philippot. “It was very strong, it was very new, so it helped really create attention.”

In the wake of Standing Rock, the global climate movement was eager to elevate Indigenous voices in the fight against fossil fuels, and Mancias stepped up. By leveraging the story of the Carrizo/Comecrudo Tribe as a victim of ethnic cleansing at the hands of fossil fuel interests, the European campaign eventually helped push the two banks to withdraw from U.S. oil and gas projects. This high-profile victory launched Mancias and the tribe into the international media ecosystem, transforming them into environmental media darlings. 

Mancias’ visit to France was a massive public relations victory for the climate movement.

But an extensive review of historical and genealogical records reveals that key documents underpinning Mancias’ claims to being of Carrizo/Comecrudo descent contain significant historical inconsistencies and cannot be verified or authenticated. His platform instead rests on family lore that has generated immense financial and social capital for Mancias, who is the group’s chairman, while fueling a broader trend that has detrimental global repercussions for Indigenous Peoples and the fight to address climate change.

“At the time we met him in the United States, Juan Mancias was clearly recognized as a representative of Indigenous communities,” said a spokesperson for Amis de la Terre France. “Regardless of his origins or ancestry, we believe that everyone has the right to oppose LNG projects and their financiers.”

Source: Read the original article on grist.org