Head’s background growing up on a farm in northeast Missouri underpins the way he approaches research on legal aspects of the international environmental crisis. Before entering the academic world, Head worked on treaties, human rights and international economic affairs through the World Bank and the International Monetary Fund. In the past 15 years, he turned to studying international environmental law. There are also other crises, environmental crises, that I think contemporary conventional agriculture contributes to, and those are the climate crisis and the biodiversity crisis,” Head said. After the Sept. 11 attacks in the United States, an editorial in Le Monde, a French newspaper, said “we are all Americans today,” Head said.