Pennsylvania health advocates say Trump’s first 100 days in office have caused “100 harms” to local communities
Photo credit: Kristina Marusic for EHN

Pennsylvania health advocates say Trump’s first 100 days in office have caused “100 harms” to local communities

“They're terrorizing these scientists because they want to keep them silent.”

PITTSBURGH — On Wednesday, the morning after hurricane-like weather conditions killed at least four people and caused power outages at more than 400,000 homes in southwestern Pennsylvania, community advocates and scientists held an event to discuss how President Donald Trump's first 100 days in office have set back climate action and harmed environmental health and research.


“Climate change has created numerous dangerous realities for families in Pennsylvania,” said Vanessa Lynch, an organizer with Moms Clean Air Force who spoke at the event. “Severe storms are becoming more frequent and more severe, like yesterday's storm with winds ripping out trees, tearing off roofs, and causing hundreds of thousands of people to be without power.”

The event was part of a series of actions across the country by advocates for health, human rights, and the environment dubbed “100 days, 100 harms,” intended to highlight the on-the-ground impacts of the Trump administration’s first 100 days in office.

Lynch noted that the Trump administration has announced plans to revoke a 2009 U.S. Environmental Protection Agency (EPA) policy, based on a Supreme Court ruling, that says greenhouse gasses are a threat to public health and should be regulated under the Clean Air Act. The policy, known as the “endangerment finding,” serves as the legal basis for most federal and many state climate pollution rules for power plants, industries, and cars, and experts have warned that revoking it could have substantial public health impacts.

A woman in a blue polka dot dress and red floral sweater stands at a microphone in front of windowsVanessa Lynch, organizer with Moms Clean Air ForceCredit: Kristina Marusic for EHN

“I’ve witnessed firsthand the impacts the oil and gas industry has had on my community in western Pennsylvania, where I live with my two children and my husband,” Lynch said, adding that an oil and gas well in her neighborhood negatively impacts air quality near daycares, schools, homes, and an assisted living facility. “Revoking the endangerment finding would threaten the EPA’s ability to protect us from climate pollution at all.”

Carrie McDonough, an assistant professor of chemistry at Carnegie Mellon University who leads a research group focused on the health risks toxic chemicals pose to humans and wildlife, said the Trump administration has taken numerous actions undermining what agencies like the U.S. Centers for Disease Control and Prevention (CDC) and the EPA can do to protect Americans from harmful chemical exposures in their everyday lives. As an example, she pointed to the firing of most of the scientists working at the National Institute for Occupational Safety and Health, the agency that regulates workplace safety, including at least 200 in Pittsburgh.

“They’re trying to use federal funding to control our universities — what scientists are allowed to work on, and who is allowed to do that work,” McDonough said, referencing new restrictions on funding from the National Institutes of Health (NIH), the largest public funder of biomedical research in the world.

“They want us to erase certain words from our work like ‘indigenous,’ ‘disparity,’ and ‘environmental justice,’ because they want to erase marginalized communities who are disproportionately impacted by environmental pollution,” McDonough said. “If this continues, and if scientists at our universities and our federal labs comply, you won't be able to trust our science anymore or the information they give you because our messages will be censored and distorted.”

A woman in a yellow shirt stands at a microphone in front of windowsCarrie McDonough, assistant professor of chemistry at Carnegie Mellon UniversityCredit: Kristina Marusic for EHN

McDonough added that the Trump administration’s unlawful detention of international students across the country has “terrorized” her own international students, hampering their work.

“These are students who left their families behind — some leaving their countries for the first time for the opportunity to come and learn in the United States,” she said. “Some of my students can’t go home to visit their families because they’re afraid they won’t be able to get back into the country. They're terrorizing these scientists because they want to keep them silent.”

Speakers from the Clean Air Council and the Environmental Health Project also shared stories about how Trump’s roll-backs of environmental policies are worsening air pollution and threatening the health of communities that are home to fracking wells and industrial facilities in western Pennsylvania.

“If this was 100 days, what will the next three years look like?” said Lois Bower-Bjornson, an organizer with the Clean Air Council. “We can’t wait to be rescued. We’re going to have to work together to prevent as much of this harm as possible — we owe that to each other.”

A hummingbird lands on a flower

Toxic chemicals and climate change work together to harm fertility across species

In a recent review published in NPJ Emerging Contaminants, researchers examine how toxic chemicals can reduce fertility in both humans and wildlife, and how these effects are worsened by climate change.


In short:

  • Animals - including insects, fish, reptiles, birds, humans, and other mammals - are constantly simultaneously exposed to synthetic chemicals and the impacts of climate change, including rising temperatures.
  • Both of these stressors can harm fertility, and many of the impacts found are similar across species, such as effects on sperm and eggs.
  • The stress caused by these exposures also impacts overall health, harming animals’ ability to adapt to a changing environment and worsening global biodiversity loss.


Key quote:

“To build a sustainable future, we must recognize that chemicals, once released, don’t simply disappear. Instead, they contribute to the larger issue of driving humanity towards the exceedance of planetary boundaries when considered in combination with climate change and other planetary-level impacts.”


Why this matters:

While climate change and toxic endocrine disrupting chemicals (EDCs) are both individually well-established as health threats, few studies have examined the implications of the widespread simultaneous exposure experienced by humans and wildlife. Many EDCs can also impact health across multiple generations, meaning their harm continues long after the original exposure. To better tackle the issue of EDCs, the authors of this study emphasize the need for strong regulations that address chemicals by class, rather than individually.


Related EHN coverage:


More resources:


Brander, S. et al. (2026). Impacts of environmental stressors on fertility and fecundity across taxa, with implications for planetary health. NPJ Emerging Contaminants.

Solar panels juxtaposed against transmission lines and wind turbines
Credit: kckate16/ BigStock Photo ID: 478351339

Hope is contagious and science is king: 10 big lessons on ending the fossil fuel era

At world-first Santa Marta climate meeting, delegates say it was ‘euphoric’ to finally be focusing on concrete solutions.

The home page of the U.S. Securities and Exchange Commission

The SEC tried to silence activist investors. Now they're fighting back

After SEC limited EDGAR access, activists launched Proxy Open Exchange to share corporate accountability concerns, including climate issues.

A gas pipeline stretching across a desert landscape

With promises of money, controversial gas pipeline on Navajo Nation passes first hurdle

A 234-mile stretch of pipeline that could carry natural gas or natural gas-hydrogen blends across the Navajo Nation is a step closer to reality.

A row of oil and gas pump jacks against a sunset

Congress once shielded gun makers. Now it’s fossil fuel companies’ turn

Republican lawmakers have introduced a bill that would block current and future lawsuits seeking to hold fossil fuel companies accountable for climate damages.

Pumpjacks extract oil from an oilfield in Kern County, CA. using hydraulic fracturing.
Credit: Christopher Halloran/BigStock Photo ID: 59467733

Western lawmakers move to weaken Clean Air Act and shield fossil fuel companies from climate lawsuits

Members of Congress in Wyoming and Texas tout the bills as protecting energy security, but opponents say they amount to a corporate handout that will cost taxpayers billions and harm human and environmental health.
Insurance policy with magnifying glass, miniature auto, and hundred-dollar bill

States are demanding property insurance records to study climate change

An unprecedented nationwide data collection will show where storms and wildfires are causing large insurer losses and rate hikes.
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

People  sitting in an outdoors table working on a big sign.

Op-ed: Why funding for the environmental justice movement must be anti-racist

We must prioritize minority-serving institutions, BIPOC-led organizations and researchers to lead environmental justice efforts.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.