Pesticide Use:1990 2.5 million tons worldwide. 888 million pounds used in the US.EPA 500,000 tons of 600 different pesticides at cost of $4.1 billion 4.5 lbs/person. 130 US firms make 37,000 products. 10x increase in insecticides between 1945-1989. Pimentel,et.al'93 Annual U S pesticide user expenditures totaled approximately $11,090 million in 2001 accounting for about 34%of the total world market.EPAPesticide Use: 1990 Pesticide Use: 1990 2.5 million tons worldwide. 888 million pounds used in the US. EPA 500,000 tons of 600 different pesticides at cost of $4 1 billion $4 .1 billion 4 ~ 5 lbs / person .5 lbs / person . 130 US firms make 37,000 products. 10x increase in insecticides between 1945 -1989. Pimentel, et.al '93 Annual U S pesticide user expenditures totaled approximately $11 090 million in 2001 approximately $11,090 million in 2001 accounting for about 34% of the total world market. EPA