kore ha sigengomi desu.

It is read:

これは しげんごみ です。

Romanization: Kore wa shigen gomi desu.

A natural pronunciation is close to:

ko-re wa shi-gen go-mi des

In careful speech, です is written desu, but the u is often very light or almost silent.

これ means this and is used for something near the speaker.

It is part of the ko-so-a-do set:

• これ = this
• それ = that near you
• あれ = that over there

So if you are pointing to an item in your hand or right in front of you, これ is the natural choice.

In this sentence, は is the topic particle, and when は is used as a particle, it is pronounced wa, not ha.

So:

• written: これは
• pronounced: kore wa

This is one of the first big spelling-pronunciation differences learners meet in Japanese.

は marks the topic of the sentence.

So これは means something like:

• as for this
• speaking of this
• this is...

In English, we often just translate it as this is, but the actual grammar is a little different. Japanese is setting up this as the topic, and then saying what it is.

資源ごみ means recyclable garbage, recyclables, or resource trash, depending on the context.

It is made of:

• 資源 = resources
• ごみ = garbage / trash

So the idea is trash that can still be used as a resource, such as recyclables.

In real life, this often refers to things like:

• cans
• bottles
• paper
• recyclable packaging

The exact category depends on local garbage rules in Japan.

That is very common in Japanese.

Although ごみ can be written as ゴミ or sometimes 塵, it is often written in hiragana or katakana in everyday writing. For common words like this, Japanese often mixes kanji and kana in a natural-looking way.

So 資源ごみ is a perfectly normal spelling.

You may also see:

• 資源ゴミ
• 資源ごみ

Both are common.

Because 資源ごみ is the predicate noun of the sentence, followed by です.

The structure is:

• これ = this
• は = topic marker
• 資源ごみ = recyclable garbage
• です = polite is / am / are

So the whole sentence is basically:

As for this, it is recyclable garbage.

Japanese does not need a particle between 資源ごみ and です here.

です is the polite copula. In beginner-level English explanations, it is often translated as is / am / are.

In this sentence, it makes the statement polite:

• これは資源ごみです。 = polite
• これは資源ごみだ。 = plain / casual

So です does not mean exactly the same thing as English is in every situation, but here it works very similarly.

Yes, but it changes the tone.

Examples:

• これは資源ごみです。 = polite, standard
• これは資源ごみだ。 = plain, firmer
• これ、資源ごみ。 = very casual, conversational

For learners, です is the safest form to use in most everyday situations.

No.

• これ = this one
• この = this
  • noun

So:

• これは資源ごみです。 = This is recyclable garbage.
• このごみは資源ごみです。 = This trash is recyclable garbage.

You use この only when a noun comes right after it.

The spaces are just for learners.

Normal Japanese is usually written without spaces:

これは資源ごみです。

Beginner materials often add spaces so it is easier to see the parts:

• これ
• は
• 資源ごみ
• です

So the spaced version is a teaching aid, not standard everyday writing.

Yes, in context that is a very natural English interpretation.

The literal structure is more like:

This is recyclable garbage.

But if someone is sorting trash, a natural English translation might be:

• This is recycling.
• This goes in the recyclables.
• This belongs with the recyclable trash.

So the exact English wording depends on the situation, even though the Japanese sentence stays the same.

A very common situation is sorting garbage.

For example:

• someone is pointing at a bottle or can
• they are explaining trash categories
• they say これは資源ごみです。

It could also appear on signs, in instruction manuals, in apartment garbage guides, or in classroom examples about daily life vocabulary.

It is a common category name, but garbage rules are local, so the exact classification can vary by city or town.

In many places in Japan, trash is divided into categories such as:

• 燃えるごみ = burnable garbage
• 燃えないごみ = non-burnable garbage
• 資源ごみ = recyclable/resource garbage

So the word is common, but what counts as 資源ごみ may differ depending on local rules.

Sometimes, yes, especially in conversation.

For example, someone might just say:

• これ、資源ごみです。
• これ、資源ごみ。

This sounds more conversational and less formally complete.

But for learners, keeping は is a good habit because it makes the structure clear:

これは資源ごみです。

Usually it is talking about one specific thing being identified as belonging to the category 資源ごみ.

So if someone is holding up an object and says this, they mean:

This item is recyclable garbage.

Japanese does not use articles like a or the, so the sentence leaves that kind of detail to context.