Can India break its dependence on pesticides?
25 September 2014 Last updated at 07:30 BST
New recommendations on dealing with the residues of pesticides in food are expected to be made by the UN's food and health agencies.
The continued use of old and highly hazardous pesticides in agriculture is still a major problem in some developing countries.
But one of the UN's biggest challenges is in India, where many banned products are still widely used.
Environment correspondent Navin Singh Khadka reports from Punjab.