<prompt> Translate the following text to EnglishKatika kesi ya mvua ya asidi, kupunguzwa kwa kiasi kikubwa kwa dioksidi ya sulfuri hakukuambatana na mabadiliko ya ikolojia kwa sababu ya kuendelea kwa viwango vya juu vya nitrojeni.  <response>: In the case of acid rain, significant reductions in sulfur dioxide have not corresponded to ecological changes due to continuing high levels of nitrogen. 