Plastic has become one of the defining materials of the modern world. Lightweight, durable, and inexpensive, it has transformed industries ranging from healthcare and food preservation to transportation and technology. Yet the very properties that make plastic so useful have also made it one of the planet's most persistent environmental challenges.

Today, the world produces more than 400 million tonnes of plastic every year, and that figure continues to rise. Less than 10% of plastic is recycled globally, while the majority is landfilled, incinerated, or released into the environment, where it can persist for centuries.

The plastic pollution crisis extends far beyond littered beaches. It is deeply intertwined with fossil fuel extraction, climate change, declining soil health, contaminated waterways, and biodiversity loss.

 

The very properties that make plastic so useful have also made it one of the planet's most persistent environmental challenges.

 

Plastic Begins with Oil and Gas

Many people think of plastic as a waste problem, but it actually begins long before a product reaches a store shelf. Approximately 98–99% of conventional plastics are manufactured from fossil fuels, primarily crude oil and natural gas. Hydrocarbons extracted from these resources are refined into petrochemicals such as ethylene and propylene, which form the building blocks of most plastics.

Contrary to popular belief, most oil is not turned into fuel for vehicles. A significant portion is refined into materials used to manufacture thousands of everyday products—including plastics.

 

How Much Oil Is Used to Make Plastic?

On average:

• Around 4–6% of every barrel of crude oil is used directly as feedstock to manufacture plastics and other petrochemicals.

• Another 3–4% of a barrel is consumed as energy during plastic manufacturing.

• Another 6-7% of a barrel is consumed for the transport of manufactured plastic goods from their production to distribution site.

Together, approximately 1/3 of every barrel of oil extracted globally ultimately supports plastic production. While the exact percentage varies depending on refinery configuration and crude oil type, petrochemicals are now the fastest-growing driver of global oil demand. According to the International Energy Agency (IEA), petrochemicals are expected to account for nearly half of future growth in oil demand over coming decades.

Petrochemicals - which include plastics - are expected to account for nearly half of future growth in oil demand over coming decades.

This also means that the plastic lifecycle plays a role in climate change. If current trends continue, plastic production could account for a significant and growing share of global greenhouse gas emissions by mid-century. 

 

Plastic's Impact on Soil

Plastic pollution is often associated with oceans, yet soils around the world may actually contain more plastic than marine environments. Agricultural land, urban landscapes, forests, and even remote ecosystems are increasingly contaminated with both macroplastics and microscopic plastic fragments. As plastics degrade, these chemicals can leach into surrounding soils, where they may accumulate in plants and enter food chains.

 

Impact Area	How Microplastics Affect Soil	Potential Consequences
Declining Soil Health	Microplastics alter the physical structure of soil by reducing water infiltration, changing soil density, affecting aeration, and disrupting nutrient cycling.	Reduced water retention, poorer soil structure, impaired plant growth, and decreased agricultural productivity.
Disruption of Soil Ecosystems	Healthy soils rely on interactions between minerals, microorganisms, fungi, earthworms, insects, and plant roots. Microplastics interfere with these natural relationships.	Reduced soil biodiversity, weakened ecosystem functions, and lower resilience of terrestrial environments.
Harm to Soil Organisms	Earthworms, insects, fungi, and beneficial bacteria ingest microplastics either directly or indirectly.	Reduced earthworm growth and reproduction, altered microbial communities, slower decomposition of organic matter, and declining soil fertility.
Threat to Food Production	Long-term plastic contamination degrades the biological and physical properties of soil essential for agriculture.	Lower crop productivity, reduced soil health, and increased risks to global food security.
Chemical Contamination	Plastics contain chemical additives that can leach into soils as they degrade. Common additives include phthalates, bisphenols (BPA), flame retardants, stabilisers, and pigments.	Soil contamination, potential uptake of harmful chemicals by plants, disruption of soil organisms, and movement of contaminants through the food chain.

Plastic's Impact on Waterways and Oceans

Plastic pollution affects every part of the aquatic environment, from freshwater rivers and lakes to the open ocean. Each year, millions of tonnes of plastic enter waterways through stormwater runoff, poor waste management, synthetic clothing fibres, tyre wear, and degraded packaging before eventually being carried to the sea.

As larger plastic items break down, they form microplastics—particles smaller than 5 mm—that have now been detected in rivers, lakes, groundwater, drinking water, rainfall, snow, and even some of the world's most remote environments. Scientists have also identified microplastics in human blood, lungs, placentas, and brain tissue, demonstrating just how widespread plastic contamination has become.

Plastic pollution poses a serious threat to aquatic wildlife. Fish, turtles, seabirds, marine mammals, amphibians, and countless invertebrates frequently mistake plastic for food or become entangled in larger debris. The consequences include intestinal blockages, starvation, reduced growth, impaired reproduction, injury, and increased mortality. Microplastics also act like tiny sponges, absorbing pollutants such as pesticides and heavy metals before transporting these contaminants throughout aquatic food webs.

Once plastic reaches the ocean, it becomes almost impossible to remove at scale. Rather than disappearing, sunlight, waves, and saltwater gradually fragment larger pieces into increasingly smaller particles that remain in the marine environment for decades or even centuries. Coral reefs are particularly vulnerable, as plastic debris can abrade delicate coral tissues and transport harmful pathogens that increase the incidence of coral disease. These impacts threaten ecosystems that support marine biodiversity, fisheries, coastal protection, and the livelihoods of millions of people worldwide.

What Can Be Done?

Addressing plastic pollution requires action across governments, industries, and communities. Key priorities include:

• reducing unnecessary single-use plastics

• designing products for reuse and durability

• improving waste collection infrastructure

• investing in genuinely recyclable materials

• increasing producer responsibility

• supporting biodegradable alternatives where appropriate

• encouraging consumers to choose reusable products

Individual choices matter, but systemic change is essential. Preventing plastic from being produced in the first place is often far more effective than attempting to recycle or clean it up later.

A Future Beyond Plastic Waste

Plastic has undoubtedly improved many aspects of modern life, but our reliance on cheap, disposable plastics has come at a significant environmental cost.

Every plastic bottle, shopping bag, food wrapper, or cosmetic container represents not only potential waste but also a chain of fossil fuel extraction, energy consumption, and greenhouse gas emissions.

As science continues to reveal the widespread impacts of microplastics on ecosystems, wildlife, and human health, it becomes increasingly clear that the solution lies not only in better waste management but in fundamentally rethinking how we produce, use, and value plastic.

Reducing plastic pollution is about far more than cleaner beaches. It is about protecting healthy soils, safeguarding freshwater resources, conserving marine ecosystems, reducing fossil fuel dependence, and ensuring a more sustainable future for generations to come.

The solution lies not only in better waste management but in fundamentally rethinking how we produce, use, and value plastic.

The alternatives sometimes may seem less convenient, and require to change our habits. But lets remember that the large-scale production of plastic only began in the 1950s (less than four generations ago!).

Reverting back to a world without plastic can be done, and we at people4ocean have decided to make that change. We have now well initiated our transition away from plastic tubes, including for samples, and will keep working on alternative throughout our range.

 

Shop the plastic-less range.

Banner Photo Credit: Marine Mammal Center