Just to reiterate some of the numbers that Pat Mooney mentioned (so you have them handy):
-450 million farmers in the world --of which there are...
-383 million small farmers
-1.2 billion people are hungry in the world --of which about...
-700 million live in rural areas
-100 million are fed by world food programs (UN)
-600 million hungry are fed by small farmers
-150.000 patented varieties of seeds (including many roses, chrysanthiums and decorative varieties)
-8000 varieties (hybrids) were introduced by green revolution people (last 50 years)
-1.9 million plant varieties were introduced by small breeders/farmers (non patented) during same time of which there are...
-105 new crop species (some say up to a 1000) new crop species (non patented) introduced by small breeder/farmers
-0 new species were bred by mayor seed companies who mainly concentrate their research money on genetically modifying....
-4 main crops: corn, cotton, soy and rice
-67 % of all seeds are controlled by top 10 seed companies
Please listen to Pat Mooney -- a sane voice on our emerging food crisis.