On July 15, 2025, Rep. Marjorie Taylor Greene of Georgia introduced HR4403, entitled the “Clear Skies Act,” a bill to prohibit weather modification in the US. So far, the bill has two co-sponsors: Rep. Tim Burchett of Tennessee and Rep. Tony Wied of Wisconsin. HR4403 was referred to the House Committee on Energy and Commerce.

Is geoengineering a problem?

As we noted last week, Congress ordered the White House in 2022 to prepare a report regarding a form of geoengineering, Solar Radiation Modification (SRM). The report, published in 2023, set forth a 5-year plan to explore and eventually deploy SRM to slow global warming. Clearly geoengineering is in the forefront as a possible use for climate change. Further, the military has explored weather as a weapon in the past. Open experimentation, documents, patents, and other evidence show that it has already been deployed by the military or likely will be in the future.  Regardless of whether the lines in the sky are contrails or chemtrails, there is an open government plan to test and potentially use this technology to combat climate change, even though many climate scientists internationally call for a moratorium on this technology as too dangerous to use.

HR4403 makes geoengineering illegal

HR4403 prohibits knowingly conducting weather modification in the US both for commercial and military operations. HR4403 also prohibits weather modification on the seas, and within “the special aircraft jurisdiction of the United States, or any territory or possession of the United States.” Included in the “special aircraft jurisdiction” is any aircraft of the United States armed forces. If the bill becomes law, it will be illegal for both commercial jets and military aircraft to be involved in geoengineering; the bill provides for a felony penalty and a $100,000 fine.

States add to the effort to protect the public from geoengineering

Twenty-eight states have now introduced bills to prohibit climate engineering, and two states, Tennessee and Florida, passed bills into law. Tennessee’s law prohibits spraying particulates into the atmosphere with the express purpose of affecting climate in Tennessee.  Florida does the same, with the addition of regulations specifically regarding public airports and reporting geoengineering activities at these airports. State legislation on geoengineering is limited, as most regulation of aviation involves federal jurisdiction.  States cannot regulate the airspace and flights passing through. Therefore, a federal solution is needed.

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3. TAKE ACTION WITH A CALL

Let the House Committee on Energy and Commerce Chair Congressman Brett Guthrie know that you support HR4403—call his office and leave a message or talk to an aide about this important issue!

Congressman Brett Guthrie
House Committee on Energy and Commerce Chair
(202) 225-3641