SACRAMENTO, Calif. -- California regulators have moved one step closer to placing big restrictions on the use of a pesticide that President Donald Trump's Environmental Protection Agency refused to ban earlier this year.

The California Department of Pesticide Regulation just released an updated draft risk assessment for chlorpyrifos. It's one of the most widely-used pesticides in the state, applied to golf courses and about 50 crops, including almonds, grapes, walnuts, oranges and cotton.

But Cheryl Watson, assistant director of communications with Cal EPA said chlorpyrifos is a dangerous neurotoxin that can float toward schools and homes in low-income farm communities.

"This pesticide has been in use for more than 50 years,” Watson said. “But a review of the latest science by the Department of Pesticide Regulation shows that they are finding that it has a possible risk to children's developing brains when it's airborne."

In March, as one of his first official acts, the head of the U.S. Environmental Protection Agency, Scott Pruitt, went against the advice of his agency's scientific advisors and decided not to ban chlorpyrifos, just weeks after meeting with the CEO of Dow Chemical.

In 2015, California restricted the sale of chlorpyrifos, so only people with special training and a permit from county agricultural commissioners can buy it.

Craig Cassidy, public information officer with the California Department of Pesticide Regulation, said the state is considering further restrictions, despite federal inaction.

"Right now, we already have a required buffer zone of 150 feet between sensitive sites and applications. We could maybe triple that,” Cassidy said.

The public comment period on the risk assessment is now open for 45 days. By next month, the state will share guidelines with county agriculture commissioners to expand the distance between the fields and communities so as to lessen the risk of accidental exposure. A final decision from the state could come late next year.


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By Rebecca Randall for Sojourners.
Broadcast version by Chrystal Blair for Missouri News Service for the Solutions Journalism Network-Public News Service Collaboration.

A couple years ago, urban farmer DeAndress Green drove Uber and DoorDash for 10 hours straight and then returned to her home on the southside of St. Louis struggling to breathe.

“I thought I was having an asthma attack,” she said.

She tried drinking coffee, her family’s quick trick for calming wheezing. She found her nephew’s inhaler and took that, which helped. She went to the hospital, where medical professionals tested for asthma. It wasn’t her first asthma test or emergency room visit due to breathing difficulties, and the results hadn’t changed: She didn’t demonstrate the right characteristics for a diagnosis.

“They’ve never learned why I’m wheezing,” said Green. “They’ve only said it’s probably environmental, which makes me very angry because I don’t know when it’s going to happen.” It also means doctors have been unwilling to prescribe her an inhaler.

Green wonders what toxins she’s been exposed to all her life. She gets nervous when she goes to north St. Louis, or commutes through Sauget, Ill., where a hazardous waste incinerator is located. Growing up, she recalls an odd, sweet smell while playing sports in empty lots in her neighborhood. Her mother Clye James Verde, who worked as a residential manager and groundskeeper at a housing project, received an asthma diagnosis after using an industrial strength oven cleaner during a shift — Verde didn’t know they should have worn a mask and gloves.

Green and Verde’s story is similar to many others who share their demographics: Black St. Louisans are more likely to live near major highways and interstates and known polluters, and Black children and youth are 10 times more likely than white counterparts to visit emergency rooms for asthma treatment, according to the Missouri Department of Health and Social Services. 

Black residents have been at the forefront of the fight to address air quality for decades. Green remembers her mother advocating to ensure her kids’ access to their inhalers and other asthma management in schools. But now, Green said, Black St. Louisans aren’t the only ones raising their voices on air quality. Green joined Metropolitan Congregations United, a local faith and advocacy organization.

“For once in my lifetime, we have people who don’t look like me speaking about this,” she said. Over 2022-23, MCU organized 15 churches to help researchers better understand air quality in St. Louis.

“This is a way to put your faith into action. If your faith teaches you to care for creation, what does that ministry look like?” said Beth Gutzler, lead environmental justice organizer at Metropolitan Congregations United. “It’s a little different than other ministries look. Some people do food pantries, some people fight food injustice.” And more frequently, St. Louis churches are prioritizing tackling air quality.

Using air monitors as a tool for action

Currently, Missouri operates eight Environmental Protection Agency air monitors across St. Louis city and St. Louis County — only one of which provides a comprehensive screening of pollutants. The data is not granular enough to illuminate neighborhood disparities on local air pollution, so, advocates for air quality improvements have little information with which to petition decision-makers.

The Jay Turner Group, an energy, environmental, and chemical engineering lab at Washington University in St. Louis, received a community grant to pursue a slice of this problem and installed QuantAQ monitors. The low-cost sensors track particulate matter, which comes from car exhaust, fossil-fuel power plants, construction dust, industrial activity and other sources. Particulate matter can vary depending on weather and the built environment, which is why neighborhood-specific data would help address clean-air disparities.

The Group worked with Metropolitan Congregations United, who recruited 15 congregations across the city to install the monitors. MCU is a regional organization that helps congregational leaders build collective power to address racial inequities. Churches offered a good location for consistent monitoring, whereas monitors at park locations tend to get unplugged, said Gutzler.

At $1,250, the monitors are vastly cheaper than EPA monitors, which cost thousands more. The sensors report data to remote servers via cellular connection, making them more accessible than Wi-Fi. The project measured at each site between 2022-2023.

Tyler Cargill, a doctoral student who helped churches understand the data from the monitors, said MCU’s community engagement played a role in the research.

“One of the main reasons we do this is to help people to understand what they can get out of these sensors,” he said. “We test them to be able to understand: What are their limitations? What are their strengths?”

Spurring community engagement

For Beth Gutzler, lead environmental justice organizer at Metropolitan Congregations United, a major success of the project is the new and renewed engagement of churches in air quality issues.

For New Northside Missionary Baptist Church, one of the churches that installed monitors, clean air has been on their radar for many years now, said Rev. Rodrick Burton. During a campaign to support the Obama administration’s Clean Power Plan, Burton recalls a church event where he asked his congregation to raise their hand if they or a family member had asthma. He recalls about 40 percent of attendees lifting a hand. “That kind of got everyone’s attention,” he said.

Since then, the church has installed solar panels, held a Green the Church summit, helped members access inhalers for asthma, and hosted EPA administrators. As a church leader, Burton has participated on local clean air advisory committees and attended national conferences with organizations like Moms Clean Air Force.

“Our belief is that as Christians we are to be good stewards of the resources that God has provided. It would be sinful for us to take what has been provided for all and not protect the universal use for everyone,” Burton said. He views clean air as a justice issue — “a universal right.”

Allowing scientists to collect data using church property was a natural fit for a Black church, he said, comparing it to Civil Rights activists who documented and demonstrated evidence of systemic racism in court cases like Brown v. Board of Education.

Air monitors were also located at churches that were not previously engaged on environmental issues. For these churches, the research helped begin a conversation about what neighborhood ministries can look like — sometimes including creation care for the first time.

“It’s different than Sierra Club,” said Gutzler, who attends Sts. Joachim and Ann Catholic Church in St. Charles. “I get to tie it to the doctrines and teachings of their faith.”

Congregations have dialogued about hosting a neighborhood lawn mower rental program to help with the transition from gas to electric, addressing indoor air quality by replacing kitchen gas appliances, and even divesting from fossil fuels in church-held investment portfolios, Gutzler said.

The air monitors also helped churches dive deeper into structural issues, moving from caring for community members with asthma to asking how they could work to improve air quality.

What to do with unexpected outcomes

The common view was that monitors would reveal higher rates of pollution in north St. Louis, which ranks high on the CDC’s environmental justice index. But Cargill said the data captured didn’t support that, with increases in PM2.5 (the particulate matter tracked) near roadways or buildings, not specific neighborhoods.

The data still proved useful for addressing clean-air access, however: Most of the monitors found PM2.5 levels near or above the EPA’s threshold for exposure, and well above the World Health Organization’s recommended threshold. This means likely all St. Louis residents are at risk for negative health impacts.

Cargill said future studies could still help address neighborhood discrepancies by measuring ozone. The monitors they used could not detect ozone, which can exacerbate asthma when it forms at ground level. Ozone develops generally on sunny, hot days, as a reaction of nitrogen oxide, from sources like tailpipes and construction, and compounds found in gas, paint, solvent, and even pine trees, Cargill said. But the current cost of these monitors likely keeps them out of reach for churches.

From knowledge to advocacy

To begin public advocacy, MCU asked for more transparency in community outreach from the Missouri Department of Natural Resources, who regulates air quality in the state.

Previously the agency only allowed public involvement in construction permits related to air emissions when the public requested. In other words, projects sailed through permitting without public notice. You could not even see the permit that you might want to request a hearing about, said Gutzler. To appeal, a citizen had to make a public records request.

Now, the department maintains an automatic email list of upcoming permits, though a citizen still needs to request a hearing. Gutzler counts it as a win. It is the first step in her vision of helping congregations to engage the community and together become the watch dogs that pay attention to air quality in the permit process.

With more awareness of how to navigate the public process, MCU testified against an incinerator permit in Hannibal, upriver from St. Louis. Their efforts were ultimately unsuccessful — the permit was approved — but it gave them an idea of how to engage across the rural-urban divide, particularly as they hope to engage churches across the state.

For some congregations, the air monitors also focused community concerns on finding the right solutions. Cargill crossed off PM2.5 as the culprit causing odors that plague the Benton Park neighborhood, where Epiphany United Church of Christ placed a monitor.

At a public meeting in April, Doris McCarter, a plant scientist and congregant at Epiphany, asked Missouri regulators to use their authority to push for stricter EPA regulations and request a study that identifies the source of the odor and its potential health effects, even though it may be an Illinois plant.

Meanwhile, Epiphany member Kathleen Logan Smith formed Breathe Better STL, which meets at the church monthly to explore how to grow a movement to oppose air permits that allow exceptions for exceeding EPA emission limits.

Ultimately, community air monitors helped spur a growing interest in clean air advocacy among churches in Missouri. When the Washington University project ended, MCU helped find funds to cover lower-cost PurpleAir Network monitors for churches to “help fill out the St. Louis map,” said Gutzler. One strength of the PurpleAir Network is the open-source geographic data on air quality, but some residential areas — particularly in environmental justice communities — remain unmeasured.

The group also partners with the Heartland Environmental Justice Center, an EPA-funded research center, and the Gamaliel Network, which provides training on faith-based advocacy.

Gutzler aspires to engage the whole state of Missouri on air quality issues and help scientists and church leaders to see the potential for change that comes through working together.


Rebecca Randall wrote this article for Sojourners.


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Local groups in the Imperial Valley are working to make sure the coming boom in lithium extraction will benefit the community, as well as the investors.

The southern edge of the Salton Sea is considered one of the most economically distressed regions in California, yet it may contain enough lithium to supply batteries for 400 million electric vehicles.

Manuel Pastor, P.hD, is the director of the Equity Research Institute at the University of Southern California Dornsife College of Letters, Arts, and Sciences.

He has co-authored a book on the subject - calling for justice and democracy in the quest for clean energy.

"If we can get it right, it's emblematic of the clean energy transition and its possibilities of being a just transition," said Pastor, "that delivers true benefits for communities that have too long been left behind and kept behind."

A company called Controlled Thermal Resources plans to open a new geothermal plant in 2025 or 2026 to extract lithium from salty brine and reinject the brine into the ground.

This is considered "greener" than methods used elsewhere, such as hard rock mining or evaporation ponds.

The environmental group Comite Civico del Valle has sued to slow down the permitting process. Members are worried about potential toxic leaks, tainted water, and air pollution from truck traffic.

Two years ago, the state approved a tax on lithium production. Pastor noted that those funds could make a huge difference in a community.

"Eighty percent of that needs to come back directly to the places where lithium is extracted," said Pastor. "Twenty percent can be used for more general purposes, including the recuperation of the Salton Sea - which has long been a desire of people who live there, but there's never been sufficient state resources to do it."

There are 11 geothermal plants in the area that could be converted to extract lithium. Local leaders are also hoping to attract battery manufacturers to the region.

Duke Energy is facing criticism over its proposed rate hikes of up to 16%, while delaying the retirement of its coal-fired power plants in Indiana.

The energy company, which recorded a profit of $497 million in the state in 2023, is now seeking approval for the increase, citing rising operational costs.

Robyn Skuya-Boss, director of the Hoosier Chapter of the Sierra Club, questioned the necessity of the rate hike, especially given the company's recent profits.

"That is money that is coming out of customers' pockets," Skuya-Boss pointed out. "We are really questioning, why does Duke need a rate increase now?"

Duke Energy has defended its decision, explaining the rate increase is needed to maintain and upgrade its infrastructure, as well as cover the costs of transitioning to cleaner energy sources. The company has also pointed to inflation and other economic factors driving up operational expenses.

However, the delayed closure of the coal plants has sparked further criticism from environmentalists. Skuya-Boss argued keeping the plants operational contradicts Duke's pledges to reduce carbon emissions and transition to renewable energy.

"That's an expensive choice for them to be making for customers," Skuya-Boss emphasized. "Our contention is really to see Duke Energy make the decision this year to invest in that clean energy transition."

Regulators are reviewing the requested rate increase, with the outcome potentially affecting costs for thousands of Duke Energy customers in Indiana. Both sides are making their case to the Indiana Utility Regulatory Commission, with ratepayers and advocacy groups urging the commission to carefully consider the financial implications before approving any increase.


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