Despite the growing accessibility of international grain and oilseed markets, high production costs and trade frictions are still prevalent, contributing to regional heterogeneities in the landed cost of grain imports. Here we quantify the landed cost for six grain commodities across 3,500 administrative regions, capturing regional cost differences to produce grain and transport it across international borders. We find large heterogeneities in the costs of imported grain, which are highest in Oceania, Central America and landlocked Africa. While some regions have uniform landed costs across sourcing locations, others face cost variations across trading partners, showing large inequalities in access. We find that most regions could benefit from a targeted approach to reduce landed cost while others benefit from a mixed strategies approach. Our results highlight that spatial information on production, trade and transport is essential to inform policies aiming to build an efficient and resilient global agricultural commodity trade system.

Freight transport systems (FTS) are critical for the well-functioning of freight flows within countries and across borders. Climate extremes can disrupt freight flows, resulting in economic losses due to costly rerouting, spikes in freight rates or freight disruptions. However, climate extremes, and climate change more generally, are often not adequately included in long-term transport planning, nor are freight logistics generally set up to cope with such disruptions. In this chapter, we provide an overview of the main challenges of FTS and logistics within the context of climate change. Moreover, we summarize approaches and provide actionable guidance on how to improve the resilience of freight movements on three interconnected levels. First, we discuss ways how climate change can be included within the asset life cycle of transport infrastructure. Second, we set out approaches to perform climate criticality analysis of a national or international freight transport network. Third, we discuss logistics and governance considerations that can help boost climate resilience of freight movements on a systemic level. This chapter provides actionable recommendations to mainstream climate resilience in freight transport planning and operations.