... showing by the submission of competent evidence to the contrary." N.J.S.A. 2A:35A-5. And, they could show as an affirmative defense that [their ... to the environment complained of. [ Ibid. ] Here, plaintiffs proceeded under N.J.S.A. 2A:35A-5. As reasonably found by the trial court, the sirens were ... public interest. Moreover, the affirmative defense also was proven under N.J.S.A. 2A:35A-5. New Jersey's Noise Control Act, N.J.S.A ...