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First-Ever Charges for Smuggling Greenhouse Gases Into U.S.

Melanie Rauch, JD

By Melanie Rauch, JD

Legal Writer

Last updated on

Michael Hart, a 58-year-old resident of San Diego, California, has been charged with the illicit importation of greenhouse gases from Mexico, a first in the United States. The U.S. Attorney's Office for the Southern District of California is prosecuting the case. Hart, who pleaded not guilty in federal court, is accused of smuggling hydrofluorocarbons (HFCs) into the U.S. without authorization.

The Illicit Activity

Hart allegedly acquired the HFCs in Mexico, concealing them in the back of his truck under a tarp as he crossed the U.S. border, selling them for a profit on platforms such as Facebook Marketplace and Offer Up. The importation of these substances without Environment Protection Agency (EPA) approval is illegal due to their substantial impact on climate change, with some HFCs being thousands of times more potent than carbon dioxide in the short term.

Assistant Attorney General Todd Kim emphasized the gravity of importing refrigerants due to their significant contribution to global warming. David M. Uhlmann of the EPA stated that such actions undermine the global efforts against climate change, stressing accountability for those profiting from such illegal activities.

The prosecution highlights broader international efforts to address climate change, including the 2016 Kigali Amendment, where nearly 200 countries, including the U.S., agreed to phase down the HFCs. This global initiative aims to prevent up to 0.5 degrees of global warming by the century's end.

In addition to HFCs, Hart is accused of importing HCFC-22, an ozone-depleting substance banned in the U.S. since 2020, further violating environmental laws. The U.S. Attorney heralded the prosecution of Hart as a significant milestone, marking the first instance of legal action for illegal greenhouse gas importation in the country, with the assurance that it would not be the last.

Facing 13 charges, including conspiracy, unlawful importation, and sale of illegally imported merchandise, Hart risks a wide range of potential sentences, including five to 20 years in prison if convicted. His case underscores the legal repercussions of violating environmental regulations and also signifies the U.S. justice system's commitment to combating climate change through stringent enforcement of international agreements and domestic laws.

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