It does not biodegrade and therefore remains in the environment for a very long time.

If put into a home composting area, the card would completely biodegrade in about 40 days.

But since they never do biodegrade, these peanuts are there permanently.

These chemicals do not biodegrade quickly and continue to leach into the water.

It also uses up scarce resources; most plastic is made from oil and does not biodegrade.

Granted, paper does biodegrade when it's littered beside the road.

Foam materials are sometimes perceived negatively, because they don't biodegrade.

By breaking it up, microbes and the environment can more easily biodegrade the oil.

Letters from relatives go into a separate file where they are allowed to biodegrade slowly.

How long does it take for plastics to biodegrade?

Do not allow them to stick out above ground, as they become dry and hard and never biodegrade.

It's made of a polymer that begins to biodegrade after a week."

Silica gel is not expected to biodegrade in either water or soil.

Newspaper will generally biodegrade quite quickly if shredded and thrown in the compost.

Plastics accumulate because they don't biodegrade in the way many other substances do.

Styrofoam doesn't biodegrade, and tends to accumulate in our environment.

The gels and their dyes are designed to biodegrade naturally.

In your compost heap at home to - very likely - not biodegrade at all?

Some, but not all, bioplastics are designed to biodegrade.

Oil-eating bacteria biodegrade oil that has escaped to the surface.

If a biodegradable fiber is used for the sock, it can also be left in place to biodegrade.

Natural coffins are made from materials that readily biodegrade.

Disposable nappies don't biodegrade, so there are millions of them in our dumps.

A mat or net made from natural fibres will gradually biodegrade as it is exposed to the weather.

Although plastics take approximately 1,000 years to biodegrade, this does not mean that they do not have an effect on the environment.

It does not biodegrade and therefore remains in the environment for a very long time.

But since they never do biodegrade, these peanuts are there permanently.

If put into a home composting area, the card would completely biodegrade in about 40 days.

These chemicals do not biodegrade quickly and continue to leach into the water.

The dress will take about 10,000 years to biodegrade.

Granted, paper does biodegrade when it's littered beside the road.

How long does it take for plastics to biodegrade?

It also uses up scarce resources; most plastic is made from oil and does not biodegrade.

By breaking it up, microbes and the environment can more easily biodegrade the oil.

It's made of a polymer that begins to biodegrade after a week."

Silica gel is not expected to biodegrade in either water or soil.

Letters from relatives go into a separate file where they are allowed to biodegrade slowly.

Do not allow them to stick out above ground, as they become dry and hard and never biodegrade.

Newspaper will generally biodegrade quite quickly if shredded and thrown in the compost.

Foam materials are sometimes perceived negatively, because they don't biodegrade.

In your compost heap at home to - very likely - not biodegrade at all?

Oil-eating bacteria biodegrade oil that has escaped to the surface.

If a biodegradable fiber is used for the sock, it can also be left in place to biodegrade.

The gels and their dyes are designed to biodegrade naturally.

Plastics accumulate because they don't biodegrade in the way many other substances do.

Styrofoam doesn't biodegrade, and tends to accumulate in our environment.

Natural coffins are made from materials that readily biodegrade.

Although plastics take approximately 1,000 years to biodegrade, this does not mean that they do not have an effect on the environment.

The garbage dumped in landfills tends not to biodegrade.

Those microorganisms, he said, are specifically designed to biodegrade certain toxic chemicals that have been introduced into the environment.