 Ahavuye isanamu, Getty Images Insiguro yisanamu, John Kerry wari umunyamabanga wa leta yAmerika ubwo yashyiraga umukono ku masezerano ya Paris, akikiye umwuzukuru we wumukobwa, muri ONU Mu myaka itatu ishize, intumwa zAmerika zagiye zitabira ibiganiro bya ONU ku mihindagurikire yikirere, mu gihe ubutegetsi bwAmerika bwagiye bukoresha ako kanya mu kwamamaza ikoresha ryingufu kamere fossil fuels. 