Despite the use of various contraceptives, the world population keeps ballooning. Will there come a time that all food will be extinct and we cannot feed ourselves or what is the way forward because we are tilling all the virgin lands etc .
I guess if there will be more new born births in the future and less Dying let say adult, we will be congested and will produce more carbon dioxide that speeds up the destruction of ozone layers that causes heat that will melt Ice land and will make our oceans bigger that will make our low land sink. In short it'll be a disaster. It will have domino effects in anyway we could've see it.