Food shortages? Go resteraunt kitchen see how much FOOD they just trhow away.
The people that die from famine aren't the fat cows that live in developed countries, unable to walk up a flight of steps without being out of breath. It's people in developing countries that don't have the luxury of being able to go to a restaurant or grocery store which has a stockpile of food, resupplied by a functioning supply chain on a moments notice.
The Germans and others in Europe will find out how important energy is when they're freezing during the winter time. Their green energy initiatives will bite them severely. I suppose relying on a senile dictator for cheap energy has its consequences.