Revisamos el desperdicio alimentario y la planificación de menús.

Revisamos can mean either:

• we review / we check / we go over (present)
• we reviewed / we checked / we went over (preterite, simple past)

This form is ambiguous in Spanish because the nosotros form of some -ar verbs looks the same in the present and the preterite.

So without more context, Revisamos el desperdicio alimentario y la planificación de menús could mean either:

• We review food waste and menu planning
• We reviewed food waste and menu planning

Usually the surrounding context makes it clear.

Spanish often omits subject pronouns because the verb ending already shows who the subject is.

• revisamos = we review / we reviewed

So Nosotros revisamos... is grammatical, but normally unnecessary unless you want to:

• add emphasis
• contrast with someone else
• avoid confusion

In ordinary Spanish, leaving out nosotros sounds more natural.

Spanish uses the definite article much more often than English, especially with general concepts or abstract nouns.

So:

• el desperdicio alimentario
• la planificación de menús

both sound natural in Spanish when talking about these topics in general.

English often drops the article in this kind of context, especially in titles, headings, or topic labels, but Spanish usually keeps it.

Yes, you could also say desperdicio de alimentos.

Both are correct, but they have a slightly different feel:

• desperdicio alimentario = more formal, technical, institutional, or academic
• desperdicio de alimentos = more transparent and everyday for many learners

In Spain, desperdicio alimentario is very common in official, educational, and policy-related contexts, especially when talking about food waste as a broader issue.

So this sentence sounds quite natural if it comes from a report, lesson, workshop, or professional discussion.

Alimentario is an adjective meaning something like related to food or food-related.

It agrees with desperdicio, which is a masculine singular noun:

• el desperdicio → masculine singular
• therefore alimentario → masculine singular

You would use a different adjective ending only if the noun changed:

• la industria alimentaria
• el desperdicio alimentario

So the ending changes because of grammatical agreement, not because the meaning changes.

Spanish often connects nouns with de where English uses a noun directly before another noun.

So:

• la planificación de menús literally = the planning of menus
• natural English = menu planning

This is a very common Spanish pattern:

• plan de trabajo = work plan
• gestión de residuos = waste management
• planificación de menús = menu planning

Using de is the normal way to show what is being planned.

The singular is menú, with stress on the last syllable: me-NÚ.

When you make it plural, you add -s:

• menú → menús

The written accent stays because it still needs to show that the stress is on the last syllable.

Without the accent, menus would follow normal Spanish stress rules and would be pronounced differently.

This same pattern happens with some other words too:

• tabú → tabús
• vermú → vermús

The articles are repeated because these are two separate noun phrases, and they also have different genders:

• el desperdicio alimentario → masculine
• la planificación de menús → feminine

So Spanish naturally presents them as two coordinated items:

• el X y la Y

Using both articles makes the sentence clear and balanced.

If both nouns had the same article, Spanish can sometimes omit repetition, but here repeating the article is the normal and clearest choice.

It can work as either, depending on context.

As a normal sentence, it means:

• We review / reviewed food waste and menu planning

But in a document, presentation, or lesson outline, Spanish sometimes uses full verb forms in a brief, compact style, so it could also sound like:

• something on an agenda
• a lesson summary
• a training-module description

Still, grammatically, it is a complete sentence with an understood subject: we.