<prompt> Translate the following text to EnglishKumbuka kwamba takwimu hizi haziwezi kuongezwa pamoja kwa makadirio ya jumla kwa sababu kuhesabu mara mbili faida ya kudhibiti pollutants nyingi wakati huo huo.  <response>: Note that these figures cannot be added together for an overall estimate because they a double count the benefits of controlling multiple pollutants simultaneously, and 