700 million people in the world face food scarcity at any one time. The world is overpopulated and its resources strained by the existing 7.4 billion humans (CO2 budget, natural resources reserves, etc).
Practically speaking, we make enough food for all the humans on this planet, and we'll likely be able to until at least 10 billion people exist.
The reason that folks face food scarcity is a distribution problem, not a production problem. We don't do a good job at making sure people don't go hungry, even in the US.
It seems like that’s artificially constrained food supply though. There’s plenty of land to grow crops on the planet. It’s not like there’s not enough seeds or dirt to grow food.
How many people are fat from having a calorie-rich but nutrient-poor diet?
We may produce enough calories in sugar, but stuffing the world with cheap junk food is not a solution. Total amount isn't a good metrics; total quality and availability would probably be better.
