<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.yeye pia ni sasa mwandishi wa mazingira kwa bbc news online, na mwenyeji bbc radio 4s mazingira mfululizo, gharama ya dunia.  <response>: he also writes for the economist and is a regular broadcaster on bbc radio 4 and the world service. 