<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?ulaya iko nje kama mkoa tu ambapo uzalishaji wa methane umepungua zaidi ya miongo miwili iliyopita, kwa sehemu kwa kumaliza uzalishaji kutoka kwa utengenezaji wa kemikali na chakula kinachokua kwa ufanisi zaidi.  <response>: europe was the single region in which methane emissions have declined over the last two decades, mainly thanks to lower emissions from chemical manufacturing and growing efficiency from food production. 