Is it realistic to demand a spaceport with no environmental impact from anyone, SpaceX or not?

Current launch technology inevitably produces a lot of heat and noise and we don't have any rocket model that wouldn't at least rarely fail (and explode).

That said, extant Cape Canaveral does not seem to be lifeless. Lots of birds. IDK how the precise species composition has changed since 1960, but nature as a whole is a lot more resilient than people seem to think.