Are biodegradable plastics better for environment than ordinar y plastics?

Where can I buy biodegradable plastics bags and how much do they cost?

Yes. Biodegradable plastics decompose into natural components,

Biodegradable bags can be bought at all larger and better

such as water, carbon dioxide, and biomass and do not degra-

stocked stores. Biodegradable bags are more expensive than

de the environment in the long term. This ensures that plastics

traditional plastic bags as the scale of manufacturing is smaller,

follow the natural cycle in the same way as tree leaves. Such na-

making these products more expensive (including bags).

tural cycles are possible, if biodegradable plastics are processed

Can I avoid using biodegradable plastics?

together with organic waste. If biodegradable plastics find their way into landfills, however, these cycles are broken as modern

Certainly. You can store household organic waste in permanent

landfills are isolated from nature. Some biodegradable plastics

containers and empty them directly into the trash bin for organic

are based on renewable resources (e.g. starch), which means

waste. Be careful to separate non-biodegradable bags and

that a renewable resource in biodegradable plastics participa-

plastic packaging and dispose of them properly. This way, your

tes in the natural cycle (“from nature to nature”) and minimally

environmental footprint will be almost ideal, at least in terms of

burdens the environment with greenhouse gasses and comes very

plastics. Whenever possible use permanent products and avoid

close to the ideal of sustainable usage of goods and resources.

unnecessary usage of goods.

Can I dispose of biodegradable plastics in natural environments?

This information leaflet is a part of the international project PLASTiCE:

No. Biodegradable plastics decompose optimally under the conditions of industrial organic waste processing. In nature, this

for sustainable plastics in Innovative value chain development ainable plastics, particularly Central Europe drives the use of sust le resource-based plastics. biodegradable plastics and renewab the understanding of these The project is designed to promote . We contribute to creating an materials within different communities encourage collaboration and ordered regulator y environment and and the industry. knowledge transfer between research

process is slowed down. Waste, disposed of directly into nature, degrades the environment and is dangerous to animals in the same way as non-biodegradable plastics.

Do biodegradable plastics contribute to sea pollution? They definitely contribute if disposed of irresponsibly into the nature. However, biodegradable plastics do decompose in nature and are not a long-term threat to the environment. In water environments and seas lower temperatures and low concentrations

The project is being implemented through the CENTRAL EUROPE

of microorganisms slow down the decomposition compared to

programme (www.central2013.eu) co-financed by the ERDF

land or compost heaps. Despite that, the decomposition is much

(European Regional Development Fund).

a serious threat to biological diversity and organisms in water environments.

design: Lukatarina

faster than with non-biodegradable plastics, which represent Visit our website at:

www.plastice.org

The leaflet in

your hands w ill introduce yo u to biodegrada ble plastic and answer some frequently aske d questions ab out these new materials.

How can I distinguish between biodegradable and ordinar y plastics?

What are biodegradable plastics?

Biodegradable plastics are not visibly different from ordinary

Biodegradable plastics may be used to make the majority of

non-biodegradable plastics. To identify them properly, we de-

plastic products. The most common products are biodegradable

pend on product markings. They must clearly denote that a ma-

bags that are used for organic household waste. Biodegradable

terial or a product is biodegradable or designed for composting.

plastics are also used widely to manufacture packaging, dispo-

This is unambiguously attested by a special certification logo (see

sable plates, glasses and cutlery, diaper parts, products used in

picture) that must carry a certificate number. Markings without a

farming, etc. We also find them in many eco products and their

certification logo, such as “environment-friendly”, “100% degra-

use is consistently spreading.

Biodegradable plastics are plastics that are recognized as food

dable” and similar, signal that the material has not been proven

by microorganisms and are metabolized into compounds such

to be biodegradable and is not appropriate for composting. We

as carbon dioxide, water and biomass.

recommend that you avoid purchasing such products.

How does biodegradation work? Biodegradable plastics will decompose under the combined influence of abiotic (“non-living”, e.g. UV light, water, heat) and biotic (“living”, e.g. organisms such as bacteria, fungus, algae) factors. During the first stage, the material loses its cohesion and

Does disintegration mean that a material is biodegradable?

Does a biodegradable plastic bag decompose, if it gets wet? No. Biodegradable plastic bags have the same characteristics as traditional plastic bags. The decomposition process starts

Right: The most common certification logos for plastics suitable for composting.

after a longer period of time, particularly under the conditions of industrial composting.

What do I do with biodegradable plastics once they become waste?

disintegrates into fragments. In the second stage, organisms will metabolize the fragments.

Which products are made from biodegradable plastics?

tion s carr ying certifica tic as pl e bl da ra Biodeg g. ble for compostin markings are suita

Biodegradable plastics can be disposed of together with organic waste. The proper handling of biodegradable plastics includes aerobic (composting) or anaerobic (biogas) decomposition. Do not dispose of biodegradable plastic with other packaging waste

No. Disintegration or fragmentation is the first stage in the degra-

(packaging, plastics, etc.). Its different processing characteristics

dation process and merely results in small particles. Materials that

may cause problems, when recycled with other, non-biodegrada-

are not certified as biodegradable are not metabolized by organisms and may pollute the environment for longer periods of time.

Are biodegradable plastics manufactured from renewable resources? Not necessarily. Biodegradable plastics may be manufactured from fossil (non-renewable) resources as well as from biomass (renewable resources). Biodegradability is not determined by raw materials but by the nature (structure) of the material. However, the majority of biodegradable plastics on the market are made from renewable resources.

ble types of plastic. Some biodegradable plastics will need more time to decompose in domestic compost heaps as the speed of decomposition is adjusted for industrial composting with higher temperatures.

Where can I buy biodegradable plastics bags and how much do they ...

Central Europe drives the use of sustainable plastics, particularly biodegradable plastics and renewable ... The project is being implemented through the CENTRAL EUROPE programme (www.central2013.eu) co-financed by ... sms and may pollute the environment for longer periods of time. How can I distinguish between.

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