Population growth in most developed countries has stabilised or is even declining. The biggest population growth areas are not Western countries, but countries that are relatively impoverished and/or have a strong religious/cultural basis for big families.
The population is exploding because some people still want to have lots of children, and because sanitation is much better than it was before, with industrialised farming playing a role but rural communities in developing nations still producing much of their own food.
The very worse thing to accompany a rise in population is an increase in demand for meat, as it is the most inefficient and resource-demanding of all agriculture. And fishing is destroying our oceans to the extent that fishless oceans have been predicted by 2048.