I would venture a guess and say Disney is not solely exclusive to high safety standards.
It was and continues to be OSHA (Federal Agency) who lay down the law on safety but Disney contractors who have to follow the rules for their own liabilty's sake.
And environmentally, Disney's original wastewater treatment plant had violated a few rules and Florida DEP came down on them.
I believe it was redesigned and rebuilt-check GoogleEarth, it's just to the south and west of the old Richard Petty Race Track.
So, yeah, they've been "environmentally concerned" since then.
And lost not forget RDIC - Reedy Creek Improvement District
https://www.rcid.org/