Utah’s taxpayers foot bill for rancher’s tree-clearing plan

A wealthy Utah rancher bulldozed large swaths of forest with taxpayer support, claiming unproven environmental benefits, but experts raise doubts about his methods.

Leia Larsen reports for The New York Times.


In short:

  • A Utah rancher used millions in taxpayer funds to clear forests, promoting his untested tree removal method, “roller felling.”
  • The rancher, Mike Siaperas, received state funds through questionable contracts and political connections, promoting his method as a wildfire and drought solution.
  • Political connections helped secure millions in state funding for the rancher’s project, despite doubts about its environmental benefits.

Key quote:

“It looks like nothing more than a pet project with a thin veneer of science.”

— Ben Abbott, ecology professor at Brigham Young University.

Why this matters:

This rancher’s project, funded by over $5 million in taxpayer dollars, isn’t just a case of bad science—it’s a reflection of Utah’s broader issue with how political influence shapes so-called “green” initiatives. The claims of ecological benefits are shaky at best, and yet, thanks to powerful allies, this rancher’s proposal got the green light without much competition or scrutiny. Read more: Giving Bears Ears and Grand Staircase-Escalante the protection they deserve.

Firefighters fight a blaze

Increased autism risk linked to exposure to wildfire smoke during pregnancy

In a first-of-its-kind study published in Environmental Science and Technology, researchers found that mothers who were exposed to wildlife smoke during the third trimester of pregnancy were more likely to have children diagnosed with autism by age 5.


In short:

  • More frequent exposure to wildlife smoke during pregnancy was associated with a higher risk of autism in children.
  • The study analyzed more than 200,000 mother-child pairs in Southern California between 2006 to 2014; nearly 60% of them were exposed to wildfire smoke for more than 5 days during pregnancy.
  • The authors also found that prenatal exposure to particulate matter air pollution from a variety of sources — not just wildfires — is associated with an increased risk of autism in children.


Key quote:

“As climate change increases the frequency and intensity of wildfires in many parts of the world, understanding their relationship with autism is important to being able to develop preventive policy and interventions that will protect pregnant women and their children.”

- Study co-author Mostafijur Rahman, via Tulane University’s accompanying press release


Why this matters:

As climate change continues to impact global weather patterns, wildfires have become increasingly intense and frequent. Their impact on air pollution is significant - in California, wildfires account for over 70% of the fine particulate matter exposure on days with poor air quality. Environmental hazards that affect the health of pregnant people and their children can have long-term and severe outcomes. The authors of this study underscore the need for policies that protect vulnerable populations from air pollution and reduce the inequality in its health impacts.


Related EHN coverage:


More resources:

Luglio, David et al. for Environmental Science & Technology. Jan. 20, 2026
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