It's already happened and will happen again. https://www.nationalgeographic.com/news/2015/3/150302-syria-war-climate-change-drought/ https://www.nationalgeogra

It's already happened and will happen again. https://www.nationalgeographic.com/news/2015/3/150302-syria-war-climate-change-drought/ https://www.nationalgeographic.com/news/2015/3/150302-syria-...