Bawasan ang plastik.

Yes. Bawasan comes from the root bawas, which means reduction, decrease, or to lessen.

The form bawasan adds the suffix -an, which often makes the verb focus on the thing being affected. In this sentence, it means something like:

• reduce
• decrease
• use less of

So Bawasan ang plastik means Reduce plastic or more naturally in English, Use less plastic.

Yes. It is an imperative sentence, so it is giving a command, instruction, or slogan-like recommendation.

It works like English commands such as:

• Eat vegetables.
• Save water.
• Reduce plastic.

In Filipino, commands often do not need an explicit word for you. The listener is understood automatically.

Because Filipino often leaves it out in commands.

In English, we also do this:

• Close the door.
• Be careful.

We do not say You close the door unless we want emphasis.

The same idea applies here. Bawasan ang plastik already implies You (or everyone), reduce plastic.

If you want to include you, you could say:

• Bawasan mo ang plastik.

That sounds more directly addressed to one person or to a listener in conversation.

This is a very common question. Ang is not exactly the same as English the.

In Filipino, ang marks the noun that is in focus or being highlighted by the sentence structure. In Bawasan ang plastik, the thing being reduced—plastik—is marked by ang.

So while ang plastik can sometimes be translated as the plastic, here it is better to think of ang as a grammar marker, not just an article.

That is why the sentence can still mean natural English Reduce plastic or Use less plastic, even though it literally contains ang.

It can mean plastic in a general sense, depending on context.

In a slogan like Bawasan ang plastik, it usually means:

• plastic use in general
• plastic materials
• plastic products, especially disposable ones

So the sentence is often understood broadly, like:

• Use less plastic.
• Reduce your use of plastic.

If you wanted to be more specific, Filipino would often name the item:

• Bawasan ang paggamit ng plastik. — Reduce the use of plastic.
• Bawasan ang mga plastik na supot. — Reduce plastic bags.

Not necessarily. Plastik here is usually being treated like a mass noun, similar to English plastic.

In English, we say:

• Use less plastic.

We do not usually say:

• Use fewer plastics.

unless we mean separate plastic objects.

So Bawasan ang plastik sounds natural when talking about plastic as a material or category.

You might use mga if you clearly mean separate countable things:

• Bawasan ang mga plastik na bote. — Reduce plastic bottles.

But for the general environmental message, plastik without mga is normal.

The most natural translation depends on context, but common natural English versions are:

• Use less plastic.
• Reduce plastic use.
• Reduce the use of plastic.

A very literal translation might be Reduce the plastic, but that sounds less natural in English unless a specific plastic amount has already been mentioned.

So for signs, campaigns, or slogans, Use less plastic is usually the best natural equivalent.

Yes, you could.

• Bawasan ang plastik. — more general, slogan-like, instructional, or impersonal
• Bawasan mo ang plastik. — more directly addressed to you

The version without mo is common in:

• posters
• reminders
• public campaigns
• short instructions

The version with mo is common in conversation when speaking to someone directly.

They are related, but they are used differently.

• magbawas often means to reduce / to lessen / to cut down, with the doer of the action in focus
• bawasan puts focus on the thing being reduced

For example:

• Magbawas ka ng plastik. — Reduce your plastic use / Use less plastic.
• Bawasan mo ang plastik. — Reduce the plastic / Use less plastic.

Both can be correct, but they are built differently.

For learners, a simple way to remember it is:

• magbawas = focus on the person doing the reducing
• bawasan = focus on the thing being reduced

This is another useful distinction.

• bawasan usually means reduce or make less
• ibawas often means subtract, deduct, or take away from a total

Examples:

• Bawasan ang plastik. — Reduce plastic.
• Ibawas mo iyan sa bayad. — Deduct that from the payment.

So in an environmental slogan, bawasan is the natural choice, not ibawas.

A simple pronunciation guide is:

• ba-WA-san ang plas-TIK

Notes:

• bawasan has stress on WA
• plastik usually has stress on the last syllable: -tik
• ang is short and unstressed

In natural speech, bawasan ang may sound a little connected, almost like:

• ba-WA-sa nang plas-TIK

But it is still the same phrase.

It is fairly neutral and very natural for:

• public reminders
• environmental campaigns
• educational materials
• posters and signs

Because it is short and direct, it sounds especially good as a slogan.

If you wanted something longer or more formal, you might say:

• Bawasan ang paggamit ng plastik. — Reduce the use of plastic.

But Bawasan ang plastik is perfectly normal as a short message.