A 58-year-old man from San Diego has been apprehended for allegedly smuggling potent greenhouse gases, known as hydrofluorocarbons (HFCs), from Mexico into the United States.

This marks the first criminal charge for importing these environmentally harmful substances. Federal prosecutors accuse Michael Hart of concealing the HFCs in his vehicle to transport them across the border.

(Photo : KAMIL KRZACZYNSKI/AFP via Getty Images)
Refrigerant tanks sit at the Tradewater Refrigerant Solutions Wearhouse in Elk Grove Village, Illinois, on August 11, 2021.

California Man Smuggles Greenhouse Gases From Mexico to the US

As per the Department of Justice statement, Hart concealed the substances in his truck and profited by selling them on platforms like Facebook Marketplace and OfferUp. Additionally, he faces accusations of smuggling HCFC 22, an ozone-depleting substance.

Assistant Attorney General Todd Kim from the Justice Department's Environment and Natural Resources Division emphasized the illegality of importing certain refrigerants due to their substantial impact on climate change. The collaborative effort of multiple agencies led to Hart's arrest, aiming to prevent environmental harm.

Hart, having entered a not-guilty plea, appeared in federal court for his arraignment. The charges include conspiracy, unlawful importation, and selling unlawfully imported merchandise, particularly violating a 2020 act restricting HFC importation without Environmental Protection Agency authorization.

The 13-count indictment against Hart encompasses charges of conspiracy, illegal importation, and selling regulated goods. Penalties for individual counts include up to 20 years in prison, $250,000 fines, and criminal forfeiture. Tara McGrath, the US attorney, affirmed the significance of prosecuting greenhouse gas smuggling as a crucial step in safeguarding the planet from toxic pollutants.

READ ALSO: Montreal Protocol Unexpectedly Saved Earth From Significant Climate Change; What Does It Mean?

Addressing the Environmental Impact of Hydrofluorocarbons (HFCs) in the 21st Century

In the 1990s, Hydrofluorocarbons (HFCs) emerged as substitutes for ozone-depleting Chlorofluorocarbons (CFCs), widely adopted in refrigerants under the 1987 Montreal Protocol. Despite their initial use to mitigate environmental harm, the widespread adoption of HFCs for air conditioning fueled a growing global demand.

Contrary to expectations, HFCs, while harmless to the ozone, revealed their potency as greenhouse gases, with a warming effect thousands of times greater than carbon dioxide. Despite constituting only 2% of greenhouse gases, their short lifespan of 15 years intensifies their atmospheric impact, contributing significantly to global warming.

In 2016, global leaders committed to curtailing HFC use through the Kigali Amendment to the Montreal Protocol, set to take effect in 2019. The U.S. reinforced this commitment in 2020 with the American Innovation and Manufacturing Act (AIM Act), banning unauthorized HFC imports.

The AIM Act empowered the EPA to systematically reduce HFC production and consumption, introducing a list of regulated substances, including commonly used HFCs with longer atmospheric lifetimes. From January 1, 2022, EPA regulations barred the bulk import of regulated HFCs without specific allowances.

Commending the government's strict measures, Avipsa Mahapatra, climate campaign lead at the Environmental Investigation Agency, cautioned against the potential emergence of a lucrative black market for illegally smuggled HFCs. Drawing parallels to the illegal trade of CFCs in the 1990s, she emphasized the urgent need to prevent a recurrence for the sake of the climate.

RELATED ARTICLE: Underestimation of One Damaging Chemical Released to the Environment Results in the Slow Repair of the Ozone Layer

Check out more news and information on Environment and Climate in Science Times.