The ballot measure has been a major point of contention between the Cantrell administration and the measure's lead sponsor, Councilman JP Morrell.
The pardons could affect roughly 10,000 cases in New Orleans.
A Louisiana power company wants to capture its climate emissions, raising concerns about impacts on the state’s water supplies.
Analysis shows there have been seven summonses issued in New Orleans in 2022, down from hundreds or thousands in previous years.
EPA investigation remains ongoing.
Sheriff Susan Hutson has faced ongoing criticism over lack of transparency since she took office in May.
Years after Entergy closed a power plant shuts in eastern New Orleans, the community struggles with sinkage.
The letter also addresses a failure to properly survey a potential prehistoric site.