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Last updated: 6 June 2022

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Plastic Pollution Causes, Facts & Figures


Plastic pollution is a global problem that is growing exponentially due to both an increase in consumerism and an increase in the number of plastics used to manufacture the things we use on a daily basis.

Many of these items are single-use items, which are used once and then tossed in the trash. But what happens to this plastic once the trash can gets emptied? It doesn’t simply disappear into thin air.

It usually ends up in the environment in some manner or form, with a great deal of it eventually ending up in the ocean. Within the plastic pollution sphere, one of the most pressing environmental challenges that we are faced with today is marine plastic debris.

The two common sources of marine debris originate from are:

1 land-based, which includes litter from beach-goers, as well as debris that has either blown into the ocean or been washed in with stormwater runoff; and

2 ocean-based, which includes garbage disposed at sea by ships and boats, as well as fishing debris, such as plastic strapping from bait boxes, discarded fishing line or nets, and derelict fishing gear.


While discarded fishing gear takes its toll on the marine environment by entangling marine life and destroying coral reefs, it only comprises an estimated 20% of all marine debris – a staggering 80% of all marine debris stems from land-based sources.

This is not that surprising, considering that around 50% of all plastics are used to manufacture single-use items which are discarded soon after they are first used.

How Much Plastic Pollution is in the Ocean?

Plastic is a majoy contributor to ocean pollution, but ‘how much plastic is in the ocean’, you ask? A study published in 2017 estimated between 1.15 to 2.41 million tonnes of plastic enters the oceans via rivers annually, with peak months being between May and October. The top 20 contributing rivers, which according to the report are mostly found in Asia, contribute around 67% of all plastics flowing into the ocean from rivers around the world.

The demand for plastic has increased dramatically over the last 70 years. According to Plastic Ocean, 300 million tons of plastic is produced globally every year. Half of that plastic is used for disposable items that will only be used once. As a result, more than 8 million tons of discarded plastic ends up in our oceans every single year. Once it is there it doesn’t readily go away.

The Worldwatch Institute estimates that the average American or European person typically uses 100 kilograms of plastic every year, most of which consists of packaging, and while it is estimated that Asians currently only use an average of 20 kilograms per person, this is expected to rise due to economic growth in the region.

Plastic Pollution Facts, Figures & Statistics

10-20 million

Tons of plastic ends up in our oceans every year, according to a report released by the Worldwatch Institute in 2015.

5.25 trillion

estimated number of plastic particles currently floating around in world’s oceans.

$13 billion

number of estimated losses per year associated with marine plastic debris due to the negative impact on marine ecosystems.

How Does Plastic Breakdown?


One of the characteristics that make plastic so popular for use in a wide range of industries is that it is extremely durable and long-lasting. However, this trait also makes it persist in the environment.

Plastics are photodegradable – meaning that they break up into smaller and smaller pieces when exposed to sunlight. Because the temperature they are exposed to in the ocean is much lower than that on land, the breakdown process takes much longer in the marine environment.

But while plastic debris is slowly breaking down in the ocean, more and more plastic is being tossed or washed into the sea – at a rate far faster than what it is breaking down. Consequently, there is a LOT of plastic in the ocean – it comes in all shapes, forms, and sizes, and is found floating on the surface, suspended in the water column or littering the ocean floor, and eventually washes up on beaches around the world, wreaking havoc with marine life in all these ecosystems.

According to a scientific report released by A Plastic Ocean, marine plastic debris has impacted over 600 marine species from the bottom to the top of the food chain, many dying a slow agonizing death through entanglement or ingesting plastic.

According to Greenpeace’s report Plastic Debris in the World’s Oceans: “At least 267 different species are known to have suffered from entanglement or ingestion of marine debris including seabirds, turtles, seals, sea lions, whales, and fish. The scale of contamination of the marine environment by plastic debris is vast. It is found floating in all the world’s oceans, everywhere from polar regions to the equator.”

“If we are doubling what we are putting into the ocean on a ten-year basis, there’s no way to keep up… It would be as if you were vacuuming your living room, and I’m standing in the doorway with a bag of dust and a fan. You can constantly keep vacuuming, but you could never catch up.”


– Chris Wilcox, an ecologist at CSIRO so aptly explains in an interview with National Geographic.

5 Gyres – The Oceans Garbage Patches & Microplastics Soup


Large volumes of this plastic tend to accumulate within five oceanic ‘garbage patches’, also known as 5 gyres, located in the Atlantic, Indian and Pacific Oceans. The largest of these is the Great Pacific Garbage Patch which stretches across the Pacific Ocean between Japan and North America, with the greatest concentration of garbage lying in the stretch of ocean between California and Hawaii where scientists estimate concentrations of plastic to be around 480,000 pieces per square kilometre.

While large pieces of plastic do accumulate in the gyre, rather than being an island of plastic, in reality, this is more like a plastic soup, consisting mostly of tiny bits of invisible microplastic. A 2001 survey conducted by Captain Moore, found an average of 334,271 tiny bits of plastic for every square kilometer surveyed. The recovered plastic weighed approximately six times more than plankton netted in the same survey.

There is no island of plastic, what exists is more insidious. What exists is a kind of plastic smog”- Craig Leeson, Director, A Plastic Ocean

Single Use Plastic Pollution – the Majority of Marine Waste


Plastics and polystyrene foam (Styrofoam) comprise 90% of all marine debris, with single-use food and beverage containers being one of the most common items found in ocean and coastal surveys.

Plastic debris in the ocean varies greatly in size, from tiny microplastics that are invisible to the naked eye to large pieces of plastic debris, such as discarded fishing gear, which can extend for meters or in some cases even kilometers.

According to the Ocean Conservancy’s International Coastal Cleanup 2017 Report, if all the plastic bottles collected during the 2016 International Coastal Cleanup were stacked they would have stood 372 times higher than Dubai’s towering Burj Khalifa (828 meters high)and all the plastic straws collected off beaches around the world would have stood 145 times higher than the One World Trade Center in New York City (541 meters).

Whilst all the plastic utensils collected would have stood 82 times higher than the Kuala Lumpur’s Petronas Towers (452 meters), and all the cigarette lighters collected would have stood 10 times higher than the Eiffel Tower in Paris (324 meters).



Beach Pollution: Beach Cleanup Findings

Plastic Grocery Bags
Plastic Lids
Plastic Straws & Stirrers
Glass Beverage Bottles
Cigarette Butts
Plastic Beverage Bottles
Plastic Bottle Caps
Food Wrappers

What are Microplastics?


Microplastics are tiny pieces of plastic and are now recognized as a major threat to wildlife and to human health. Scientific research surveys have revealed that microplastics are widespread throughout the world’s oceans, and are having a negative impact on marine life, as well as the health of humans who rely on seafood as a staple protein source.

Polystyrene beads and plastic pellets are not easily digested so tend to accumulate in the digestive tract of marine animals who consume them.

This can result in the animal feeling full, causing it to stop feeding, leading to emaciation and ultimately death from starvation, or it can cause an intestinal blockage that can also be fatal. When a predator feeds on a fish that has a gut full of undigested polystyrene or plastic, this is passed on to the predator who in most cases will also have problems digesting it.

Plastic Microfibres Pollution in Our Ocean


Microfibres from clothing and textiles are another key source of microplastics in our oceans. When we wash our clothes, fibres are shed into the washing water. Due to their minute size, these fibres pass through wastewater treatment plants and end up in the ocean.

“Plastic Soup Foundation research team literally counted these tiny fibres and discovered that actually up to 17 million may be released in every wash,” says Maria Westerbos, director of the Plastic Soup Foundation, a non-profit campaign group.

Microfibres have been found in many different ecosystems, including freshwater systems, ocean waters, ocean sediments, and beaches around the world, indicating it is a worldwide problem that is possibly growing.

According to a report in The Overtake, “The International Union for Conservation of Nature (IUCN) estimates that 35% of all primary plastics which end up in our oceans have come from textiles, making it the largest source of microplastics, followed by those which come from the degradation of car tyres (28%).”

The Health Impact  of Plastic Pollution on our Wildlife


The below photo shows all of the pieces of plastic that were removed from the stomach of a single north fulmar, a seabird, during a necropsy at the National Wildlife Health Lab. (Photo Credit: Carol Meteyer, USGS). How does this happen?

Microplastics 1- Plastic Pollution guide

Right: collecting plastic debris and water samples from Kamilo Beach, South of Big Island Hawaii. Kamilo Beach is approximately 1,500 feet (460 m) long and is located on the remote southeast coast of the Kaʻū District on the island of Hawaii. There are no paved roads to the beach. (Photo Credit: Cesar Harada)

  1. Plastic packaging is lightweight, so it is easily blown or washed into rivers where it is carried to the sea, or it may blow directly into the sea if not safely stowed by beach users
  2. Plastic breaks down into smaller and smaller pieces, and because it readily floats it is often mistaken for food by surface feeding animals, including fish and seabirds
  3. Marine turtles ingest plastic bags which they mistake for jellyfish, and small items such as gas lighters or plastic pellets in various stages of decomposition are mistaken for food by seabirds and marine animals
  4. Seabirds have been known to feed these plastic pellets to their chicks, resulting in the death of the chicks, which ultimately can cause population numbers of affected species to decrease if fewer and fewer chicks are being successfully raised
Microplastics 2- Plastic Pollution guide

Furthermore, plastics and polystyrene are made up of toxic chemicals, including petroleum, which may be released as the gastric juices try to digest it, and are absorbed into the body tissue. These toxins also leach into the water column as plastics break down, contaminating filter feeding organisms who ingest the water while feeding. But the problems don’t end there.

Plastics are known to accumulate persistent organic pollutants (POPs), including Polychlorinated Biphenyls (PCBs) and DDT that are known to disrupt the endocrine system and affect development, at concentrations of a hundred thousand to a million times greater than naturally found in seawater. These contaminants are stored in the body fat and organs of animals and are passed on to predators that feed on them, becoming more concentrated in the tissues of organisms higher up the food chain.



Long living top predators continue to accumulate more and more toxins in their systems over time. Studies have revealed that marine top predators, such as killer whales and polar bears, are amongst the most contaminated animals on Earth. These contaminants reduce fertility and breeding success, and compromise the affected animal’s immune system, making them more vulnerable to disease and infection.

How Can We Solve Plastic Pollution?


We need to tackle the problem of marine debris head on. It’s not just an issue for environmentally conscious, it is an issue that ultimately affects human health. Man is a top predator that feeds on a variety of ocean fish, shellfish, and other marine species. We face the same risks as the killer whale and polar bear.

While any plastic or polystyrene pellets that may have been clogging the gut of the fish that is nicely presented on our dinner plate have been long removed, the toxic contaminants originating from that debris remain stored in the flesh we are about to eat. Food for thought indeed.

How Can We Avoid Plastic & Reduce Plastic Waste?

Here are some ideas for plastic-free living


We can start reducing plastic pollution by changing our own habits. Reducing your use of single-use plastics will reduce the demand.  Avoid purchasing items wrapped in plastic, and using reusable produce bags, is a quick win to change what you buy in your grocery shop. Recycling properly will help reduce plastic waste – only 9% of plastic is recycled worldwide.

Think of ways to upcycle old items rather than discarding them or buying new ones. Supporting charities that are addressing Plastic Pollution (see the list at the end of this article), and signing petitions for bans, will increase your impact for the cause.

Participate in (or organise) a beach/river cleanups. Wearing clothing made from natural (non-synthetic) materials, such as organic cotton, silk, Yulex Pure and linen will prevent plastic microfibres making their way into the ocean, and our food chain.


Here are some more tips for avoiding plastic every day:

Reusable Water Bottle

Avoid bottled water. Buy a decent water filter and a reusable stainless steel bottle or a glass bottle; There are collapsable options for the city dwellers.

Reusable Shopping Bag

Keep reusable shopping bags with you: in your car, work bag, jacket pocket, and next to your front door. They're cheap and there are foldable/pocket options.

3 Minute Beach Tidy

If you spend time enjoying the beach and the ocean, pay mother nature a thank you. Make it your pre-surf/dive/swim ritual: spend 3 mins picking up trash from the beach.

Slow Down

Stop eating on the go. Slow down and take time to enjoy your food: eat in or take a lunchbox. Reduce your use of disposable cutlery, plates and packaging and recycle where possible.

Say No To Straws

Americans use 500 million drinking straws every day. Now imagine how that translates to the rest of the world. If you really love straws, carry a stainless steel one in your bag.

Reusable Coffee Cups

We all love our coffee and tea, but it really takes its toll on our environment. Carry a reusable coffee cup with you. There are plenty of options available, from bamboo to collapsable silicone cups to glass cups.

How Can We Reduce Plastic Waste In The Home?


In the Bathroom:


Use a razor with disposable baldes, rather than a disposable razor


Unfortunately, over 2 billion razors end up in landfills every year leading to the plastic handle of these bathroom staple’s breaking down into smaller plastic pieces, contributing further to hazradous waste and causing harm to local wildlife and environments. To combat this, companies such as Rockwell Razors and Bambaw offer long-term sustainable razors that only need the blades to be replaced once they are no longer of use (and can be easily recycled!).


Make your own deodorant


Similar to disposable razors, most deodorant packaging falls under the non-recycable category, adding more to landfills and hightening the risk of soil pollution. A variety of DIY deodorant recipes are avaliable online which tackle more sustainable ways to stop your sweat and its smell. A favourite of ours is here.


Switch to Shampoo Bars


Lasting longer and without packaging, Shampoo Bars are the sustainable alternative to your conventional shampoo found in plastic bottles. Reducing your egological footprint, and retaining your hairs natural oils, switching to a shampoo bar can be an easy way to cut down on plastic and benefit your lucious locks in the long term.


Switch to an Eco-Toothbrush


Bamboo Toothbrush’s are the energy saving alternative to your standard plastic brush. Handles made entirely out of bamboo can be disposed of with the knowledge that they are entirely bio-degradable and will not cause harm to local environments or wildlife.


In the Kitchen:


Skip the cling wrap


Over 1.2 Billion Metres of cling wrap is used each year in the UK. It is unfortunately difficult to recycle, and will take hundreds of years to break down with the risk of chemicals released sinking into the groundwater supply. Luckily, there are a variety of eco-friendly options to switch to. This includes BeesWax Wraps, Vegan Wax Wraps and Tupperware containers to store food in the fridge or when you’re on the go.


Choose to skip pre-packed bread and other baked goods


Most local bakeries, supermarkets and farmers markets have sections of freshly baked goods that are not in plastic packaging, giving you the opportunity to bring your own bags for the baked goods and cut-down on single-use plastic.


If you can, avoid meat and fish sold in polystyrene trays


It is worth shopping around at your local butcher/fishmonger to ask if they sell unpacked items and bring your own reusable silicone food bags as an alternative to non-recyacble polystyrene trays.


Switch to glass bottle alternatives of milk, stock and fruit juice


Glass is 100% recyclable, compared to the 9% of plastics that can be recycled with the other 91% often ending up in landfills or in our oceans. Whilst, plastic has been hailed for it’s convenience, it is contributing to the larger problem of creating a next generation of a throw-away, disposable society and it is a society that our planet is struggling to support.


Plastic Recycling Initiatives


Because it is so tough and durable, plastic can be reused or it can be recycled. Popular musician and environmental advocate, Pharrell Williams, is the co-owner of G-Star RAW, a sustainable clothing brand that recently launched the ‘RAW for the Oceans’ collection that recycles single use plastic containers collected from beaches all over the world into stylish apparel. The ‘RAW for the Oceans’ fashion line has collaborated with Bionic Yarn, another company that Williams is both a partner and Creative Director of, which uses recycled ocean plastics to make sustainable clothing yarn.

This creative approach provides a sustainable resource — there is plenty of plastic in the sea — while at the same time tackles the humungous problem of ocean plastics by putting this practically unlimited resource to good use. Of course, SLO active’s Clean Lines collection includes Yulex material that is laminated with recycled jersey.


Philanthropist, environmental advocate, and entrepreneur, Richard Branson, has proposed that we implement a deposit refund system for plastic bottles. Offering an incentive for users to return plastic bottles for recycling makes absolute sense, especially these are one of the most prolific items found on beaches around the world.


Read our Slow Fashion Guide – explore how to embrace more ethical and mindful fashion.



While reducing or eliminating plastic packaging may help to stem the flow of plastics at the source, we still need to take steps to prevent plastic that is already in the environment from flowing into the ocean, and to clean up the vast amount of plastic littering beaches around the world, as well as the plastic currently swirling around ocean gyres.

Beach Cleanups

Every year, Ocean Conservancy coordinates the International Coastal Cleanup in collaboration with environmental organisations, schools and other community initiatives around the world, encouraging volunteers to take part in local beach cleanups to rid the environment of trash.

This can be stepped up at a local level, where individuals, communities and organisations can get more actively involved in cleaning up their local beaches to help keep them free of plastic and other debris.


There are man other initiatives that urge people to pick up plastic whenever they are at the beach, such as #Take3 for the Sea, #2MinuteBeachClean, Paige Alms’ #TrashySelfy project, Surfers Against Sewage’s #MiniBeachClean campaign, and SLO active’s #PostSurfBeachClean aimed directly at the surfer’s community. Together, these initiatives are building a community movement towards holding the public accountable for how trashed our beaches become.

Beach Clean Up- PP Guide

Ocean Cleanup Innovations


Some innovative individuals have proposed other solutions for removing plastic from our oceans, including deploying large floating booms to trap and catch plastic designed by a Dutch entrepreneur when he was still a teenager, and floating sea bins designed by two surfers that can be used to remove plastic from harbours, for example.


While these are all indeed innovative and creative solutions to an ever growing problem, they will in all likelihood not be enough to stem the tide of plastic entering and swirling around our oceans. Nor do they address the problem of microplastics and tiny plastic microbeads that are now having a large impact. A committed multi-pronged approach is urgently needed. We need to take action now.

List of Plastic Pollution Charities

Who else is taking action?

Surfers Against Sewage Logo
ReThink Pollution Logo
Mission Blue Logo
Plastic Oceans Logo
Take 3 logo
5 GYRES logo

What Can You Do To Help?


We created this guide as a way to raise awareness about plastic pollution, and the consequences if we don’t address it. Once we are aware of the consequences, we can change our habits. We encourage you to to take action and get involved with spreading the word and getting involved.


Here are some things you can do to help make a difference:

•   Share this guide on social media – whether it’s a quick tweet, an Instagram story, or a Facebook post – everything helps!

•   Link to this guide – our guide has gained some great traction, however not without the help of our faithful supporters. If you’re writing a blog post on plastic pollution, feel free to reference the information in this article.

•   Donate & get involved – we have listed some charities in this article who are doing some amazing things, from research to beach cleans, to awareness engagement campaigns. Visit their websites to see how you can get involved… Or just simply donate.

•  #PostSurfBeachClean – take park in our post-surf plastic pickup. Take a walk, pick up some plastic,  take a snap or video, and share. Be sure to use the hashtag #PostSurfBeachClean and tag @slo.active on Instagram (or see other social icons below). More info here

•  SHOP SLO – shop our sustainable swimwear collection that gives back to the ocean. The more you buy from us, the more we give: our giving model, Earth to Ocean, means that for every piece that you buy, we donate to one of our ocean charity partners of your choice (you choose at checkout). We also plant one mangrove tree for every piece made, in an effort to offset its carbon emissions throughout its lifecycle.



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This article was co-written by Environmental Communication Consultant, Jenny Griffin BSc (Hons) Degree in Marine Biology, Diploma in Nature Conservation); and Janaya Wilkins, Marine Conservation Enthusiast, and SLO active’s Founder.




CSIRO. Marine debris: Sources, distribution and fate of plastic and other refuse — and its impact on ocean and coastal wildlife.

Eric Dewailly, Albert Nantel, Jean-P. Weber, and Francois Meyer. High levels of PCBs in breast milk of Inuit women from Arctic Quebec. Bull. Environ. Contam. Toxicol. (1989) 43:641-646

Christopher Green and Susan Jobling. A Plastic Ocean: The Science behind the Film.

Greenpeace. Plastic Debris in the World’s Oceans

Laurent CM Lebreton, Joost van der Zwet, Jan-Willem Damsteeg, Boyan Slat, Anthony Andrady & Julia Reisser. River plastics emissions to the world’s oceans. Nature Communications 8, Article number: 15611 (2017) DOI:10.1038/ncomms15611

Moore, C.J., Moore, S.L., Leecaster, M.K., and Weisberg, S.B. A Comparison of Plastic and Plankton in the North Pacific Central Gyre. Marine Pollution Bulletin 42, 1297-1300. (2001) DOI:10.1016/S0025-326X(01)00114-X

Ocean Conservancy. International Coastal Cleanup 2017 Report.

Viola Pavlova, Jacob Nabe-Nielsen, Rune Dietz, Christian Sonne, Volker Grimm. Allee effect in polar bears: a potential consequence of polychlorinated biphenyl contamination. Proc. R. Soc. B; 30 November 2016; DOI: 10.1098/rspb.2016.1883.

UNEP (2016) Marine plastic debris and microplastics – Global lessons and research to inspire action and guide policy change. Nairobi, Kenya: United Nations Environment Programme.

Van Franeker, J.A. and Law, K.L. (2015) ‘Seabirds, gyres and global trends in plastic pollution’, Environmental Pollution, 203, pp. 89-96.

Worldwatch Institute. Global Plastic Production Rises, Recycling Lags (2015)

Wright, S.L., Thompson, R.C. and Galloway, T.S. (2013b) ‘The physical impacts of microplastics on marine organisms: a review.’, Environmental Pollution, 178, pp. 483-492.

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