Meanwhile, most countries in the Global North are facing a demographic crisis in which people are not having enough babies to support an ageing population. Managed mass migration... moreMeanwhile, most countries in the Global North are facing a demographic crisis in which people are not having enough babies to support an ageing population. Managed mass migration could thus help with many of the world's biggest problems, reducing the number of people living in poverty and climate devastation, and helping northern economies build their workforce.อ่านต่อได้ที่ โรงเรียนบ้านรางม่วงสาระน่ารู้ พันธุกรรม