Answer in brief
The new map helps locate loss before retail, while UNEP stresses methane from discarded food. Better measurement can guide action, but it does not itself cut emissions.
A new map for an old blind spot
On 29 September, the International Day of Awareness of Food Loss and Waste, FAO announced an interactive map showing estimated food loss in 2024 by region and subregion. It also described a database with 35,798 data points across 167 countries and 296 commodities or groups as of September 2026. These tools can help identify where losses occur and which measurements are missing. They do not mean every country has comparable, up-to-date measurements for every crop, or that a newly visible loss has already been prevented.
Two percentages measure different stages
FAO says an estimated 13.4% of food produced globally is lost after harvest and before retail. It separately cites a 19% estimate for food available to consumers wasted at retail, in food service and in households. The denominators and stages differ, so adding those percentages would produce a misleading total. This distinction is practical: a cold-chain failure needs different policy from restaurant overproduction or household disposal. The new map concerns the pre-retail part; UNEP's food-waste work addresses the later stage and its methane implications.
Why climate policy cares about the bin
UNEP's 28 September account says discarded organic material buried without oxygen in landfills produces methane, a potent warming gas. Preventing surplus food first can avoid the production resources as well as some disposal emissions; separately collecting unavoidable scraps changes what happens after use. FAO also connects lost food to wasted land and pressure on forests. Those are distinct pathways, and their size varies by local production and disposal systems. A national policy needs to measure each rather than treat every saved item as an identical methane saving.
From estimates to accountable action
A useful next step is to pair the map with surveys that distinguish crops, regions and supply-chain stages, then publish repeated measurements after interventions. Authorities could target storage, transport, procurement or organics collection according to the loss identified. They should also disclose uncertainty in estimates and how food-waste data are gathered. FAO's release makes the information base more visible; it does not establish a new binding target or a verified fall in methane on 29 September. Those outcomes require later policies and observations.
Questions and answers
Is food loss the same as food waste?
No. FAO's 13.4% estimate concerns food lost after harvest and before retail. The separate 19% figure concerns food available to consumers wasted at retail, in food service or in households.
Does the new FAO map show emissions cuts?
The map presents food-loss estimates, not verified methane reductions. Emissions benefits would need documented prevention and waste-management changes over time.