Stem cells used to grow hamburger in a laboratory may be served at a restaurant near you.

With a current price tag of $330,000 it will about 20 years before meat grown from stem cells will be available to meet the protein needs of the world.

The growing taste for meat in the developing world, especially in China and the limited arable land and water resources, have led scientists on a search for alternative ways of producing meat.

But there are concerns:

Many of the medical crises we’re seeing in the world today are partly due to some of the unnatural ways we’re manufacturing food – from the chemicals to preserve the taste, to the hormones to increase the size of produce, to the pesticides to control production. At the end of the day, all of these factors are taking a toll on our society.