Plastic litter is increasingly believed to be a source of persistent toxic substances.

Furthermore, it has been estimated that over 13,000 pieces of plastic litter are floating on every square kilometre (km) of ocean today.

For other meanings of litter, see Litter (disambiguation).

On a litter.

Sources of marine litter

Effects of marine litter

Sir squire, fetch a litter.

My litter can carry him.

What about your litter bearers?

Set the litter down there.

My camel litter needs repair.

Plastic.

She'll be waiting at your litter.

Therefore, please be mindful before you litter.

Challenges in preventing and combating marine litter

Then have the drivers prepare a litter.

Will you take the litter in, please?

Plastic explosives

Plastic bottle?

Plastic surgery?

Considering the very slow rate of degradation of most marine litter items, a continuous input of large quantities of marine litter will result in a gradual increase of litter in the coastal and marine environment.

Plastic debris accounted for 77 , of which 93 was plastic bags.

May I send his squire for the litter?

The eldest of the litter, Buck, you've met.

The whole litter. Just name your price, dear.

It's plastic pollution.

Plastic? Sewing? Meat?

About plastic surgery...

Some plastic, eh?

A plastic hammock?

They're like, you know, kittens. You get a litter.

litter was dead. He's got it at home now.

And they litter a very high proportion of boys.

We'll not be wanting litter come working time tomorrow.

Six nothing, she'll probably drop a litter next time.

Dionysius, get the litter bearers out of the rain.

Empty plastic water bottle

People use plastic everywhere.

How convenient. Plastic surgery?

It's a plastic bag.

He's a plastic surgeon.

Glass eyes, plastic noses.

Although they're part of the plastic, they're not covalently bonded to the plastic backbone.

The United Nations Environment Programme and the marine litter challenge

Overview of activities of regional seas programmes on marine litter