PORTO ALEGRE, BRAZIL - JANUARY 27:  Greenpeace activists display the contents of three crates containing more than 10,000 paper plates bearing messages opposing the use of genetically modified foods January 27, 2003 at the headquarters of Monsanto Corporation in Porto Alegre, Brazil. Greenpeace attempted to deliver the crates to Monsanto, which is the world's biggest holder of patents for genetically modified seeds.  (Photo by Andre Felipe/Getty Images)