Worldfocus traveled to Argentina, India, Kenya and Ukraine and reported a four-part video series on rising food prices around the world.

Argentina -- known as the "grocer to the world" -- finds itself trapped by food inflation, a slumping economy and one of the worst droughts in almost 50 years.

At least five of the 38 million Kenyans live in urban slums and food insecurity rages through the country, resulting in public outcry and economic upheaval.