The report by the UN Special Rappateur on the Rights to Food is available here.
“In the report, a clearer account is provided of global pesticide use in agriculture and its impact on human rights; the negative consequences that pesticide practices have had on human health, the environment and society, which are underreported and monitored in the shadow of a prevailing and narrow focus on “food security”, are described; and the environmental and human rights regimes are examined to determine whether the constituent rules are sufficient to protect farm workers, consumers and vulnerable groups, as well as the natural resources that are necessary to support sustainable food systems.”
You might also like to view some of the addresses to the 2016 Soil not Oil Conference.
Of course, this should also be applied to the extravagant use of pesticides for the weed control in public spaces and conservation areas.