<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?wawekezaji wa miradi zanzibar bado hawajatoa kipaumbele kwa kufanya tathimini ya athari za kimazingira ya miradi yao kabla ya kuwekeza miradi hiyo kwa mujibu wa sheria ya mazingira.  <response>: in fact, environmental opponents of the keystone project have so far been successful in preventing its advance with legal challenges to its water permit. 