Gas Emissions and Public Health Risks

This week, the National Academy of Sciences, the Academy of Engineering, and Medicine (NASEM) issued a report emphasizing the threats posed by greenhouse gas emissions to public health. Some researchers have drawn a connection between climate change, air pollution, and mental health disorders, such as schizophrenia.

The report came on the heels of the Environmental Protection Agency’s (EPA) announcement on July 29 that it plans to roll back its 2009 danger assessment. An energy sector expert commented that the NASEM report titled “The impact of human-induced greenhouse gas emissions on climate, health, and welfare” suggests that adverse effects stem from climate change and air pollution.

One critic mentioned, “Sure, climate anxiety is a real issue, but the authors don’t seem to fully see their part in fueling it. For years, experts have been warning us about climate crisis scenarios, yet it feels like the negative effects of climate change are sometimes overstated.” This perspective, as shared by the Polite Society’s director, raises questions about how discussions focused solely on global catastrophe could impact mental health.

The NASEM report indicates that the ongoing and foreseeable effects of greenhouse gas emissions on both human health and the environment are “beyond scientific conflict,” exacerbating the challenges associated with climate change. It also identifies potential links between climate factors, air pollution, and mental health problems. Notably, researchers highlighted that PM2.5—fine particles found in the air—are linked to higher rates of mood and psychotic disorders, including suicide.

The document claims, “The EPA’s 2009 findings don’t recognize the mental health impacts of climate. Extreme weather events have been linked to increased anxiety and depression levels. Additionally, air pollution, particularly PM2.5, correlates with a rise in mood disorders and suicide rates.” It points out that factors like heatwaves could also lead to more mental health emergencies.

However, energy analysts suggest that the connections between air pollution and mental health are not robustly supported by evidence. They argue that this report may contribute to heightened anxieties surrounding climate change, especially given recent surveys showing many young Americans express concern over climate issues.

Critics assert, “These health claims are often presented without solid evidence. It’s essential to distinguish that PM2.5 issues are separate from greenhouse gas concerns.” Concerns were raised about the integrity of the science suggesting that PM2.5 has harmful health effects, with allegations of biased research practices surfacing.

Diana Furchtgott-Roth from the Heritage Foundation noted that PM2.5 is already regulated under another law concerning national air quality standards, separate from greenhouse gases.

Meanwhile, the EPA’s recent announcement isn’t just about reversing previous regulations; it signals a revisit of the air quality standards established in the Biden administration. EPA Administrator Lee Zeldin emphasized the importance of balancing air quality with reasonable regulations, mentioning some areas in the U.S. have the lowest PM2.5 levels globally.

An EPA representative stated that the current danger assessments relate only to greenhouse emissions linked to vehicles, not traditional air pollutants. If finalized, the new regulations would keep previous standards intact.

Zeldin previously expressed on a podcast that if the EPA proceeds with rolling back certain danger assessments, it might lead to significant deregulation in the U.S. history. Several policy experts believe that questioning the established risks could alleviate consumer costs and expand personal freedoms.

One commentator said, “It’s not climate change itself but rather the misconceptions surrounding it that are causing psychological distress. Media narratives often amplify fears, leading people to interpret individual weather events as definitive proof of climate change.”

In a related matter, James Kommer, chair of the House Oversight Committee, initiated an investigation into the NASEM review, expressing concerns that it may have partisan motivations. He requested President Marcia McNutt of NASEM to provide the committee with all correspondence and funding details relevant to the changes in danger detection standards.