The lifecycle of plastics | WWF-Australia | The lifecycle of plastics | WWF Australia (2024)

Plastic. It’s everywhere. It has only really existed for the last 60-70 years, but in that time plastic has transformed everything from packaging to product design and retailing.

One of the advantages of plastic is that it is designed to last, but this same blessing is a curse as nearly all the plastic ever created still exists in some form today.

Australia produces almost 3 million tonnes of plastic per annum, of which less than12% is recycled. Alarmingly, up to 130,000 tonnes of that plastic will wind up in the ocean as plastic pollution each year. Considering each person produces (or uses) roughly 130kg of plastic, it means that about 30kg of each person's waste could end up in the ocean.

Not only could it end up in the ocean, but it can take hundreds of years to break down – if at all.

Plastic bag – 20 years

Plastic bags pose one of the greatest impacts to ocean wildlife. Even though they only make up a small percentage of our litter, they can break up into smaller and smaller pieces - having devastating impacts on our wildlife.

The lifecycle of plastics | WWF-Australia | The lifecycle of plastics | WWF Australia (1)

Did you know that if we lined up all the takeaway coffee cups used each year in Australia they would stretch around the world… twice! That’s a lot of coffee cups. Unfortunately, many of these cups are not recyclable due to the plastic membrane that lines them, and can take up to 30 years to degrade.

Plastic straws – 200 years

Plastic straws can take up to 200 years to decompose. Choose a paper straw or ditch them altogether and try the age-old sipping technique.

6 pack plastic rings – 400 years

When these plastic rings end up in the ocean, they can be devastating to our marine wildlife who get entangled.

The lifecycle of plastics | WWF-Australia | The lifecycle of plastics | WWF Australia (2)

Plastic water bottle © Greg Armfield

The energy required to produce and transport plastic water bottles could fuel an estimated 1.5 million cars for a year, yet approximately 75% of water bottles are not recycled - they end up in landfills, litter roadsides, and pollute waterways and oceans.

Plastic cups – 450 years

The chemical bonds of plastic cups make them durable, but also resistant to breaking down. Overtime, these cups release toxic chemicals into the environment and are more likely to be ingested by vulnerable marine wildlife.

Disposable diapers – 500 years

Disposable diapers need to be exposed to oxygen and sunlight in order to decompose, and they don’t decompose well in landfill. Once in landfill, they can contaminate groundwater, posing serious threats to the environment. Opt for reusable cloth diapers or eco-friendly alternatives.

Coffee pods – 500 years

The lifecycle of plastics | WWF-Australia | The lifecycle of plastics | WWF Australia (3)

The plastic in coffee pods takes more than 500 years to break down, releasing harmful amounts of methane gas as it does so. Steer clear of pod coffee machines. Or use recycled pods.

Plastic toothbrush – 500 years

3.5 billion toothbrushes are sold worldwide each year. Most get lost in the recycling process and end up in landfill or make their way into rivers and oceans. These toothbrushes are made from polypropylene plastic and nylon and can take up to 500 years or more to decompose.

The good news is that we can fight back against plastic pollution. Every little action we take to reduce our consumption of plastic is a big step in protecting the future of our planet and our precious wildlife.

Check out these plastic free eco-friendly swaps on our blog.

The lifecycle of plastics | WWF-Australia | The lifecycle of plastics | WWF Australia (2024)

FAQs

What is the life cycle of a plastic? ›

The plastics life cycle includes extraction of raw materials; design and production; packaging and distribution; use and maintenance; and recycling, reuse, recovery or final disposal.

What does Australia do with their plastic? ›

Media release. By 2050, the amount of plastic consumed in Australia will more than double. Despite government policies aimed at creating a 'circular economy', just 14% of plastic waste is kept out of landfill. Recycling plastic is inefficient, expensive and hazardous, and there is little demand for recycled plastics.

What percent of plastic is recycled in Australia? ›

Australia is one of the biggest consumers of single-use plastic per person in the world. Over the past decade, our plastic consumption has only continued to grow - from 123kg of plastic consumed per person in 2010 to 147kg in 2021. And only 14% of that is recycled.

What is the lifespan of plastic? ›

Plastics can take anywhere from 20 to 500 years to decompose, depending on the material and structure. Additionally, how fast a plastic breaks down depends on sunlight exposure.

Why does it take 1000 years for plastic to decompose? ›

The reason for the slow degradation is a simple one. These materials do not exist in nature, and therefore, there are no naturally occurring organisms that can break them down effectively or at all. The chemical bonds in plastic materials are not accessible or “familiar” to bacteria in nature.

What happens to plastic in 10 years? ›

Plastic production will increase by 40% in the next 10 years. If we don't do anything about the plastic soup, oceans will carry more plastic than fish (by weight) by 2050. The United Nations warns that marine life will be irreparably destroyed. Coral reefs appear to be particularly vulnerable to plastic pollution.

Why is plastic banned in Australia? ›

The intent of the bans is to help reduce the amount of plastic pollution in the environment, both in and around Australia and globally.

Is plastic banned in Australia? ›

From 01 January 2024, ACT banned all plastic shopping bags with handles of any thickness, paper or cardboard bags with a plastic laminate, and non-woven polypropylene bags that are less than 90gsm in weight and do not have stitched seams.

Is plastic actually recycled in Australia? ›

Around 13% of plastic in Australia is recycled and only 18% of plastic packaging is recycled, with only 36% of plastic drink bottles being recycled. Unfortunately, the majority of plastic bottles end up in landfill where they can take up to 1000 years to break down.

Where does Australia's plastic waste go? ›

One million tonnes of Australia's annual plastic consumption is single-use plastic 84% of plastic is sent to landfill and only 13% is recycled.

Does Australia recycle anymore? ›

Only 42.1% of Australian household waste is recycled, according to the latest national waste report, yet many binned things could be sent to alternative recycling systems.

What is the biggest waste in Australia? ›

Most used materials – waste generation vs recycling

In 2020-21, the three largest sources of waste were building and demolition (25.2 mega tonnes), organics (14.4 mega tonnes), and ash from C&I electricity generation (12 mega tonnes).

What plastic takes 1000 years to decompose? ›

Plastic bags can take up to 1000 years to decompose. They are one of the planet's biggest environmental burdens. Plastic bags are all too often found in the digestive systems of seabirds and other wildlife.

Can plastic last 1,000 years? ›

Normally, plastic items can take up to 1000 years to decompose in landfills. But plastic bags we use in our everyday life take 10-20 years to decompose, while plastic bottles take 450 years. Just in the United States alone, every year more than 18 billion disposable diapers are thrown away.

Which plastic Cannot breakable? ›

Answer: Certain plastics such as ABS, polycarbonate, PPSU, and UHMW have outstanding toughness and cannot be breakable.

What happens to plastic after 100 years? ›

ever! Which means, according to Popular Science, plastic does not decompose, biodegrade or compost, rather it just breaks down into smaller and smaller plastic pieces.

What happens to plastic with age? ›

The UV radiation in the sunlight interacts with the carbon bonds in the polymer and breaks them over a period of time. This makes the plastic to loose it's original properties and it becomes brittle. It's not exactly becoming brittle but the polymer molecules breaks and the polymer start beginning smaller particles.

What is the life cycle of plastic used to produce bottles? ›

The reasons why PET is the main component of a plastic water bottle are its lightweight, strength, and durability. Yet, at the same time, its chemical bonds are hard to break, making them non-biodegradable and requiring 450 years to decompose.

What is the lifecycle of plastics and human rights? ›

The plastics lifecycle impacts human rights at various stages, including extraction and transport of oil and gas and other raw materials for plastics; production and release of toxics to the air and water; use and exposure of consumers; and disposal, including incineration and air emissions and dumping of toxic ash.

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