Scientists sound alarm over plan to build railway through pristine jungles

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Parts of Mexico’s remote southern jungles have barely changed since the time of the ancient Maya.

In the eyes of Mexican President Andres Manuel Lopez Obrador, a railway his government is building — known as the Tren Maya — will bring modern connectivity to areas for generations deprived of significant economic benefits.

But the railway and its hasty construction also critically endanger pristine wilderness and ancient cave systems beneath the jungle floor, droves of scientists and environmental activists said.

PHOTO: A house stands on the edge of forest which has been cleared for construction of section 5 of the new Mayan Train route, in Solidaridad, Quintana Roo, Mexico, November 6, 2022.

A house stands on the edge of forest which has been cleared for construction of section 5 of the new Mayan Train route, in Solidaridad, Quintana Roo, Mexico, November 6, 2022.

Jose Luis Gonzalez/Reuters

The railway “is splitting the jungle in half,” said Ismael Lara, a guide who takes tourists to a cave that shelters millions of bats near the Calakmul Biosphere Reserve. Lara fears the train, due to pass close by, will disrupt wildlife routes and attract too much development to fragile ecosystems.

Over almost a year, Reuters photographed construction at points along the full length of the planned rail track, documenting the evolution of the flagship project that Lopez Obrador has pledged to finish by the end of 2023.

PHOTO: Workers clear trees for the construction of section 4 of the new Mayan Train route, near Nuevo Xcan, Chemax, Mexico, March 3, 2022.

Workers clear trees for the construction of section 4 of the new Mayan Train route, near Nuevo Xcan, Chemax, Mexico, March 3, 2022.

Jose Luis Gonzalez/Reuters

The 910 miles of rail are set to carry diesel and electric trains through the Yucatan Peninsula and connect Mexico’s top tourist destination Cancun to the ancient Mayan temples of Chichen Itza and Palenque.

The railway has deeply divided Mexicans and the controversies surrounding the construction exemplify struggles developing countries across the globe face to balance economic progress with environmental responsibility.

PHOTO: A bulldozer clears jungle for the construction of section 4 of the new Mayan Train route, near Nuevo Xcan, Chemax, Yucatan, Mexico, March 3, 2022.

A bulldozer clears jungle for the construction of section 4 of the new Mayan Train route, near Nuevo Xcan, Chemax, Yucatan, Mexico, March 3, 2022.

Jose Luis Gonzalez/Reuters

FONATUR, Mexico’s tourism agency charged with the project, has said the railway will lift more than a million people out of poverty and could create up to 715,000 new jobs by 2030.

Construction costs are seen at up to $20 billion, Lopez Obrador said in July.

But with the project already billions of dollars over budget and behind schedule, scientists and activists said the government cut corners in its environmental risk assessments in a bid to complete it while Lopez Obrador is still in office.

PHOTO: A tree is marked with a red arrow at the construction site of section 5 of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico April 23, 2022.

A tree is marked with a red arrow at the construction site of section 5 of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico April 23, 2022.

Jose Luis Gonzalez/Reuters

Earlier this month, United Nations experts warned the railway’s status as a national security project allowed the government to side-step usual environmental safeguards, and called on the government to protect the environment in line with global standards.

FONATUR defended the speed with which the studies were produced. “Years are not required, expertise, knowledge and integration capacity are required,” it said in response to questions from Reuters. It declined to comment on the U.N. statement.

PHOTO: Ismael Lara, a tour guide, shows tourists a map of the area before visiting a bat cave located in the Calakmul Biosphere Reserve close to where section 7 of the new Mayan train route is being built, in Calakmul, Campeche, Mexico November 8, 2022.

Ismael Lara, a tour guide, shows tourists a map of the area before visiting a bat cave located in the Calakmul Biosphere Reserve close to where section 7 of the new Mayan train route is being built, in Calakmul, Campeche, Mexico November 8, 2022.

Jose Luis Gonzalez/Reuters

Cenotes

The Tren Maya route cuts a swathe up to 46 feet wide through some of the world’s most unique ecosystems, bringing the modern world closer to vulnerable species such as jaguars and bats.

It will pass above a system of thousands of subterranean caves carved out from the region’s soft limestone bedrock by water over millions of years.

Crystalline pools known as cenotes punctuate the Yucatan Peninsula, where the limestone surface has fallen in to expose the groundwater. The world’s longest known underground river passes through the caves, which have also been the site of discoveries such as ancient human fossils and Maya artifacts like a canoe estimated to be more than 1,000 years old.

PHOTO: Gumersindo Martinez, 68, walks next to an unfinished house after his house was demolished to build section 2 of the new Mayan Train route, in Tenabo, Campeche, Mexico, May 14, 2022.

Gumersindo Martinez, 68, walks next to an unfinished house after his house was demolished to build section 2 of the new Mayan Train route, in Tenabo, Campeche, Mexico, May 14, 2022.

Jose Luis Gonzalez/Reuters

If built badly, the railway risks breaking through the fragile ground, including into yet-to-be explored caves below, said Emiliano Monroy-Rios, a Mexican geochemist with Northwestern University who has extensively studied the area’s caves and cenotes.

Diesel, he added, could also leak into the network of subterranean pools and rivers, the main source of fresh water on the peninsula.

With less than 20% of the subterranean system believed to have been mapped, according to several scientists interviewed by Reuters, such damage could limit important geological discoveries.

PHOTO: Women prepare food during celebrations for The Faithful Departed in the town of Buena Vista close to where the new Mayan train route is being built, in Bacalar, Quintana Roo, Mexico, November 8, 2022.

Women prepare food during celebrations for The Faithful Departed in the town of Buena Vista close to where the new Mayan train route is being built, in Bacalar, Quintana Roo, Mexico, November 8, 2022.

Jose Luis Gonzalez/Reuters

The government’s environmental impact study for Section 5, the most controversial stretch, said environmental impacts are “insignificant” and have been adequately mitigated. The study said the risk of collapse was taken into account in the engineering of the tracks, and that the area will be observed through a prevention program.

Dozens of scientists disagree, writing in open letters that the assessments are riddled with problems, including outdated data, the omission of recently discovered caves and a lack of input from local hydrology experts.

PHOTO: David Ku, 3, plays in a hammock during celebrations for The Faithful Departed in the town of Buena Vista close to where the new Mayan train route is being built, in Bacalar, Quintana Roo, Mexico, November 8, 2022.

David Ku, 3, plays in a hammock during celebrations for The Faithful Departed in the town of Buena Vista close to where the new Mayan train route is being built, in Bacalar, Quintana Roo, Mexico, November 8, 2022.

Jose Luis Gonzalez/Reuters

“They don’t want to recognize the fragility of the land,” said Fernanda Lases, a Merida-based scientist with the National Autonomous University of Mexico, calling the problems identified “highly worrisome.”

The names of the 70 experts who participated in the government study were redacted from the publication.

PHOTO: Women wearing traditional dresses order food, close to where section 2 of the new Mayan Train route is being built, in Tenabo, Campeche, Mexico, May 13, 2022.

Women wearing traditional dresses order food, close to where section 2 of the new Mayan Train route is being built, in Tenabo, Campeche, Mexico, May 13, 2022.

Jose Luis Gonzalez/Reuters

One piece of research used by the government to support its conclusions was taken from a blog by Monroy-Rios, who said he was never contacted by the authors of the report. His research highlights the need for extensive surveillance and monitoring for any infrastructure project in the region. He said this has not happened.

“I guess their conclusions were pre-formatted,” Monroy-Rios said. “They want to do it fast and that’s part of the problem. There’s no time for the proper exploration.”

PHOTO: Environmental activist Cristina Nolasco, 32, explores the Yorogana cave, which she says has been affected by the construction of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico, November 6, 2022.

Environmental activist Cristina Nolasco, 32, explores the Yorogana cave, which she says has been affected by the construction of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico, November 6, 2022.

Jose Luis Gonzalez/Reuters

An expert who participated in the reports and spoke to Reuters on condition of anonymity, said the work had been done quickly.

“There was pressure, especially due to delivery times,” the expert said.

The expert expressed concern the government would not properly mitigate risks experts had highlighted in the government’s impact studies or dedicate the necessary resources to the train’s maintenance.

PHOTO: Environmental activist Cristina Nolasco, 32, explores the Yorogana cave which she says has been affected by the construction of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico, November 5, 2022.

Environmental activist Cristina Nolasco, 32, explores the Yorogana cave which she says has been affected by the construction of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico, November 5, 2022.

Jose Luis Gonzalez/Reuters

FONATUR said the project would have resources and follow-up care in the future, including programs established for environmental protection.

“The Mayan Train project is of course safe, monitored and regulated by the environmental authorities as has happened up to now,” the agency told Reuters.

Inecol, Mexico’s ecology institute, which produced the reports, did not respond to repeated requests for comment. A spokesman for Lopez Obrador did not respond to a request for comment.

PHOTO: A protestor holds a sign as activists and locals protest the environmental impact of the new Mayan Train route, outside the Yorogana cave in Playa del Carmen, Quintana Roo, Mexico, November 5, 2022.

A protestor holds a sign that reads “If the train were Maya, it would know how to respect the earth” as activists and locals protest the environmental impact of the new Mayan Train route, outside the Yorogana cave in Playa del Carmen, Quintana Roo, Mexico, November 5, 2022.

Jose Luis Gonzalez/Reuters

Forgotten southeast

Despite the concerns about the railway, it has the support of many in villages that for decades have felt largely forgotten in national development plans.

In Xkuncheil, a small dusty town of about 140 people on Section 2 of the train that runs through Campeche state, Luz Elba Damas Jimenez, 69, owns a small store selling soda and snacks near the tracks. Many of her neighbors, especially the young men, are working on the project, she said. She also has more customers now.

PHOTO: Rosario Jimenez stands in front of her new house after being relocated due to the construction of section 1 of the new Mayan Train route, in the town of Haro, Escarcega, Campeche, Mexico, May 12, 2022.

Rosario Jimenez stands in front of her new house after being relocated due to the construction of section 1 of the new Mayan Train route, in the town of Haro, Escarcega, Campeche, Mexico, May 12, 2022.

Jose Luis Gonzalez/Reuters

“The government is working on good things for the country. … Sometimes there just isn’t work in these small towns, but now they have jobs,” she said. “The truth is that we have benefited.”

Martha Rosa Rosado, who was offered a government payout to move when an earlier plan for the tracks was set to go through her home in Campeche’s Camino Real neighborhood, echoed those sentiments.

“No government ever remembers the southeast. Everything goes to the north, and the southeast is forgotten,” she said as she grilled pork outside her home of 40 years.

PHOTO: Workers drive machinery during construction of section 4 the new Mayan Train route, near Uayma, Yucatan, Mexico, May 14, 2022.

Workers drive machinery during construction of section 4 the new Mayan Train route, near Uayma, Yucatan, Mexico, May 14, 2022.

Jose Luis Gonzalez/Reuters

Some 280 miles away, in Playa del Carmen, near the beach resorts bustling with tourists, a group of volunteers — clad in helmets and head lamps — descend into the caves at weekends to monitor their condition.

Roberto Rojo, a biologist in the group, said the train will put the entire ecosystem above and below ground at risk.

PHOTO: A man on a motorcycle crosses the old train tracks where section 3 of the new Mayan Train route was planned to be built before protests moved construction to the outskirts of the city, in Chochola, Yucatan, Mexico, May 16, 2022.

A man on a motorcycle crosses the old train tracks where section 3 of the new Mayan Train route was planned to be built before protests moved construction to the outskirts of the city, in Chochola, Yucatan, Mexico, May 16, 2022.

Jose Luis Gonzalez/Reuters

“They are doing studies now that needed to be done at least four years ago,” Rojo said inside one cave directly below where the train is due to pass.

Behind him, tree roots descend from the ceiling of the cave like coarse rope, stretching down to be quenched by the water pooled at his feet.

“This is our life. We are putting in risk and in danger the stability of this ecosystem,” he said.

PHOTO: Biologist Roberto Rojo, 46, prepares to show activists and locals the Yorogana cave, which he says has been affected by the construction of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico, November 5, 2022.

Biologist Roberto Rojo, 46, prepares to show activists and locals the Yorogana cave, which he says has been affected by the construction of the new Mayan Train route, in Playa del Carmen, Quintana Roo, Mexico, November 5, 2022.

Jose Luis Gonzalez/Reuters

Reporting by Cassandra Garrison for Reuters