<prompt> Translate the following text to EnglishUjuzi wa kisayansi wa sasa hautoi habari kuhusu viwango vya CO2 katika anga au viwango vya kupunguzwa vinavyohitajika kuzuia kuingiliana hatari na mfumo wa hali ya hewa.  <response>: The current body of scientific knowledge does not provide information regarding atmospheric concentrations of CO2 or reduction levels necessary to prevent dangerous interference with the climate system. 