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Yes. The hon. Lady tempts me, because I will say more about that in a moment.
Recycle Track Systems says:
“There are numerous initiatives to curb ocean plastic pollution at any one time, including everything from grassroots beach clean-ups to international agreements. One of the recent changes is the United Nations Environment Assembly’s agreement in March 2022 to develop a legally binding treaty to bring plastic pollution to an end. It will still be years in the making but is a considerable step forward according to many. What’s more, many organizations, such as Ocean Conservancy, are now calling for more dramatic changes to stop ocean plastic pollution, such as the reduction in production and consumption as well as outright bans on single-use plastics”—
as the hon. Member for Rutherglen and Hamilton West (Margaret Ferrier) mentioned— “Many are calling for a shift to a zero-waste circular economy as the only solution to a plastic problem that we can’t recycle away.”
The Scottish Government aim to make Scotland a zero-waste society with a circular economy. They have a target of recycling 70% of waste by 2025, exceeding even EU targets, and they are matching the EU target for plastic packaging to be economically recyclable or reusable by 2030. The Scottish Government are also a signatory to the Ellen MacArthur Foundation’s new plastics economy global commitment, which will ban specified items of single-use plastics in EU member states. They have signed up to the agreement, even though there is no compulsion for Scotland to do so, as it is no longer a member of the EU, sadly. I hope the UK Government will follow the example of Scotland and the EU in that regard.
Scotland’s deposit return scheme works on the basis of the polluter pays, a principle that incentivises recycling, reduces litter and tackles climate change by reducing the amount of plastic going to landfill or ending up in our oceans. The scheme has been delayed because the First Minister is very keen to work with business to get this right. It is in all our interests, even if it is sometimes tempting to make cheap political points about this issue. The reality is that it is a fine and noble principle, and we should all work to make sure that it can do what it says on the tin. We all need to think about how we use, reuse and dispose of our plastic, because that is the problem that oceans face today.
Would the hon. Lady agree that, while the deposit return scheme systems that are being looked at across the UK are vital, is it not better—as we are talking about international efforts—that we all work together to ensure that the scheme runs across the whole country, rather than having different schemes in different parts of our own islands, making it more complex for everyone involved?
I absolutely agree with the hon. Lady, but the point is that we cannot all move at the speed of the slowest caravan. We have to be bold and ambitious in what we seek our deposit returns scheme to achieve. What she proposes would be a better way forward, but the UK Government are slower and less ambitious. That is a pity, but we cannot be held back by that.
The scale of the plastic pollution in our oceans is catastrophic, and it is deeply damaging and deadly to marine life and habitats. It is difficult to know how many marine animals are killed each year due to plastic pollution. Many will go completely unrecorded. That said, some estimate that over 1 million animals, including many sea turtles, die each year due to plastic pollution in the ocean. The majority of animals that die are seabirds. Mammals are often more visible in the media and the public imagination, but they actually count for only around 100,000 deaths. That is still a huge number, but it does not tell the whole story. Those are just the marine animals that die as a result of plastic debris in the ocean. The toll would be much higher if other polluting factors, such as emissions from plastic production, were taken into account.
On a different tack, animals carry microplastics in their bodies, so when those animals are eaten those microplastics are also ingested. The process is called trophic transfer of microplastics. Since one animal eats another, microplastics can move through the food chain, ultimately reaching the human food chain. Some scientists have estimated that the average person might eat 5 grams of microplastics in a week, which is about the weight of a credit card. Another study breaks that down to being up to 52,000 particles annually from various food sources. According to the UN, there are over 50 trillion microplastics in the ocean, more than the number of stars in the Milky Way—that is astonishing. Due to the sheer quantity of microplastics in the ocean, it is difficult to find any marine animal without plastic particles in its gut or tissue. It is poisoning their food supply.
Whether or not microplastics impact human health is a relatively new field of study, but what we know so far is troubling, according to experts. Plastics and microplastics contain many harmful additives and tend to collect additional contaminants from their surroundings. Microplastic ingestion has been correlated with irritable bowel syndrome, while plastic-associated chemicals, such as bisphenol A, show correlations with chronic illnesses, such as cardiovascular disease and type 2 diabetes. We are talking about serious contamination. Action on plastic waste in our oceans requires us to reflect very carefully on the price we pay for plastic pollution—and the price our oceans pay.