Gaspillage alimentaire x‑food
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How to reduce food waste

12 solutions to reduce food waste

On September 13th, 2022 |
4min reading time
Anne-Claire Asselin
Anne-Claire Asselin
Founding President of X-Food
Pierre Lacotte
Pierre Lacotte
Treasurer and Founding member of X-Food
Adrien Delepelaire
Adrien Delepelaire
Deputy General Secretary and Founding member of X-Food
Key takeaways
  • Launched in late 2018, X-Food aims to shed light on controversies on topics related to agriculture and food. In 2022, they published a report outlining 12 solutions to help reduce food waste.
  • Over 50% of French people do not know the difference between the “Use By” date and the “Expiration Date” – it is responsible for around 20% of consumer food waste.
  • Sizing and appearance criteria resulting from regulations, as well as certain buyers’ specifications, lead to a significant rejection of downgraded production.
  • It would also be possible, by changing the legislation, to offer products which do not meet aesthetic criteria more systematically to consumers at a reduced price.
  • At the national level, more visibility on the subject of food waste is needed.

Of dif­fer­ent reg­u­lat­ory mech­an­isms, what issues are there around use-by dates? 

This is an import­ant issue, because more than 50% of French people do not know the dif­fer­ence between the “Use By” date and the “Expir­a­tion Date”. The lat­ter, which is man­dat­ory for rap­idly per­ish­able food­stuffs, is the date after which the product becomes unfit for con­sump­tion, as it may present a risk to human health. The former is the date after which the product loses some of its nutri­tion­al or organ­o­leptic qual­it­ies, but does not con­sti­tute a health risk. It is indic­ated by the words: “Best before XX/XX/XXXX”.  

It is estim­ated that this lack of aware­ness is respons­ible for around 20% of food waste at the con­sumer level. Moreover, this issue goes bey­ond the nation­al frame­work and is posed at the European level, requir­ing changes to the reg­u­la­tions gov­ern­ing con­sumer information. 

Sev­er­al reg­u­lat­ory changes could reduce the waste linked to the mis­in­ter­pret­a­tion of these dates. For example, the state­ment “Use by” could be reworded to read “Best before”. Policy action could also be con­sidered to replace some use-by dates with best-before dates and to expand the list of products exempt from use-by dates. For example, cur­rently salt or vin­eg­ar are exempt, but not pasta or rice.

What is X‑Food ?

“Launched in late 2018 under the impetus of École Poly­tech­nique alumni, X‑Food aims to shed light on con­tro­ver­sies on top­ics related to agri­cul­ture and food, and to pro­mote innov­a­tion. The trans­ition to healthy and sus­tain­able food, in a con­text of world pop­u­la­tion growth, is a cru­cial chal­lenge. We have a dual approach, sci­entif­ic and hol­ist­ic. On each sub­ject we study, we involve experts from all walks of life: research­ers, indus­tri­al­ists, engin­eers, from the private and pub­lic sec­tors, and associations. 

We have organ­ised four dis­cus­sion meet­ings over the course of 2020, mov­ing pro­gress­ively up the value chain: con­sump­tion and cater­ing, dis­tri­bu­tion, pro­cessing, and then pro­duc­tion, and each time call­ing on 3 or 4 experts from the sec­tor. These meet­ings were fol­lowed by a sum­mary con­fer­ence, the pub­lic­a­tion of a loss cal­cu­la­tion tool for pro­fes­sion­als and a fifty-page sum­mary doc­u­ment in which we pro­pose to act on 12 levers for con­trolling food losses.

Anne-Claire Asselin, Pres­id­ent of X‑Food

Oth­er policies are more dif­fi­cult to put in place, as they are at the inter­face of dif­fer­ent links in the food chain? 

Yes, this is the case with fruit and veget­able waste, for example. Pro­du­cers can­not always sell their entire pro­duc­tion, due to cli­mat­ic haz­ards, mar­ket dynam­ics, or san­it­ary and reg­u­lat­ory con­straints. The siz­ing cri­ter­ia res­ult­ing from reg­u­la­tions, as well as cer­tain buy­ers’ spe­cific­a­tions, lead to a sig­ni­fic­ant rejec­tion of down­graded pro­duc­tion. While health cri­ter­ia are undeni­able, qual­ity cri­ter­ia (sug­ar con­tent, pro­tein con­tent, etc.) or aes­thet­ic cri­ter­ia (col­our, size, shape, etc.) seem more ques­tion­able. They gen­er­ate sig­ni­fic­ant rejects of so-called “ugly” fruit and veget­ables. European reg­u­la­tions impose such size and appear­ance cri­ter­ia on ten product cat­egor­ies that rep­res­ent about 75% of the mar­ket! This excludes down­graded fruit and veget­ables from tra­di­tion­al dis­tri­bu­tion channels…

This is a good example of the com­plex­ity of the fight against waste. We could make use of this spoiled food by pro­du­cing canned food. But this pro­duc­tion chain would then have to be sup­plied reg­u­larly, which is con­tra­dict­ory when we are talk­ing about spoiled fruit and veget­ables. It would also be pos­sible, by chan­ging the legis­la­tion, to offer them more sys­tem­at­ic­ally to con­sumers at a reduced price.

It is not enough to allow the sale of imper­fect products; con­sumers must also want to buy them? 

As we can see here, again, the fight against waste involves sev­er­al play­ers. In this case, pro­du­cers con­tin­ue to pro­duce qual­ity-assured food because the con­sumer demands it. We there­fore need to encour­age people at the end of the chain to buy these products through pro­mo­tion­al cam­paigns, such as the one that was car­ried out on “broken heads” or “ugly vegetables”.

This is all the more true since the “anti-gaspi” shelves or bas­kets con­tain­ing products “close to the use-by date” suf­fer from a lack of expos­ure when they are not simply dis­carded, as they are often placed in bulk at the back of the shop. Cheap­er food is also asso­ci­ated with lower food qual­ity. Com­pan­ies such as Zéro Gâchis or Smart­way, for example, pro­pose to trans­form the image of these shelves to make them attract­ive, in par­tic­u­lar by play­ing on the pos­it­ive image of the fight against waste. It is also neces­sary to raise aware­ness among super­mar­kets of the pos­it­ive eco­nom­ic impact of these departments.

The 12 solu­tions to food waste and losses as cited in the report

1. Align the defin­i­tion of food waste between France & oth­er organisations.

2. Cla­ri­fy the dis­tinc­tion between Use By and Expir­a­tion dates, and remove some.

3. Mobil­ise Ter­rit­ori­al Food Plans (TAP) and pub­lic funding.

4. Rebal­ance trade rela­tions in favour of farmers.

5. Take anoth­er look at cal­ib­ra­tion and com­mer­cial specifications.

6. Make date con­tracts between sup­pli­ers and dis­trib­ut­ors more flexible.

7. Facil­it­ate the repro­cessing of agri­cul­tur­al surpluses.

8. Identi­fy and mon­it­or products that are close to expiry.

9. Devel­op the sale of near-expiry products.

10. Strengthen and improve the qual­ity of unsold food donations.

11. Raise aware­ness among pro­fes­sion­als and consumers.

12. Imple­ment food waste education.

One of the last (but not least) levers is inform­a­tion and education? 

A major source of loss and waste is to be found at the distribution/consumption inter­face; it is the hyper-choice offered to a “hyper-con­sumer” who has to find his way between products with a low car­bon impact, organ­ic products, pro­mo­tions on cheap­er products, etc. 

At the nation­al level, we need to increase the vis­ib­il­ity of the sub­ject, and make it a major nation­al cause, as Guil­laume Garot pro­posed dur­ing one of our debates. We should also set up, why not in schools, an edu­ca­tion on food waste. The young­est are gen­er­ally sens­it­ive to these sub­jects, and they can bring about a change in attitude. 

What will be the next theme of X‑Food? 

The issue of food loss and waste was our first top­ic. In 2021–2022, we have chosen the theme of anim­al pro­teins: what are the dif­fer­ent impacts? Should we really con­sume less of it? A sub­ject just as com­plex and con­tro­ver­sial as food waste! 

The report can be read here (in French only)

Interview by Marina Julienne 

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