but a lack of water these equally dangerous. can't keep people. so they can plant crops and find. floods and droughts with climate change become the main driver of mass migration you can write any going to night if you want and formidable the bill. for climate exodus starts september 5th on d. w. . world leaders at the g. 7 summit in via its friends have wrapped up their 2nd day of talks sunday's meetings were overshadowed by a surprise visit from iran's foreign ministers of odd sorry for who met with french president manuel micron micron has made efforts to ease tensions with iran a priority the summit ends on monday. the g 7 leaders said they were prepared to assist brazil and other south american countries battling tens of thousands of