Thai Education Foundation and Greenpeace Southeast Asia jointly organized a teacher training on the impact of chemical substances on health which is part of "We Grow – Sustainable School Lunch" at Wat Khum Kaew School, Thanyaburi, Pathum Thani. There are teachers from 12 schools in Pathum Thani who attended the training.

The activity is part of a teacher training on the impact of chemical substances in food which aim to encourage teachers to be aware of the contaminants in vegetables and change school lunch menus to use more ecological vegetables.