 There, he produced the UN's first global assessment of the state of the world's crop diversity and was the chief author of the Food and Agriculture Organization's Global Plan of Action for Plant Genetic Resources.He subsequently supervised the negotiations that led to its adoption by 150 countries in 1996.From 1996 to 2001, Fowler represented the Consultative Group on International Agricultural Research (CGIAR) in negotiations for the International Treaty on Plant Genetic Resources.