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Globe and Mail
09-06-2025
- General
- Globe and Mail
Robert Macfarlane's new book asks a question he couldn't ignore: Is a river alive?
When I mention to Robert Macfarlane that I live next to a buried river – Garrison Creek, which runs unseen, but is frequently smelled, through Toronto's west end – his eyes visibly brighten. He leans closer to his computer screen. 'Are they going to daylight it?' Click on the blue underlined text for photos, audio and text annotations He's referring to the practice – executed with socially transformative results in cities such as Seoul, Seattle, Singapore and Munich – of exhuming such 'ghost rivers' from their concrete tombs. I tell him that the idea has been proposed by local and environmental groups, but has yet to gain real traction. 'It's such a powerful metaphor, isn't it?' he says. 'But daylighting is also a literal act: returning a river to the sun. A river we cannot see or hear or name becomes a river that is redundant to the imagination and resource to the system only.' Robert Macfarlane near the River Cam which flows through Cambridge, England, where he lives. Tom Oliver Lucas /The Globe and Mail Macfarlane, 48, speaks almost as lyrically as he writes. Over the past two decades, the Cambridge professor of literature and environmental humanities has emerged as one of the world's pre-eminent nature writers – an inheritor of the mantle of authors such as Edward Thomas, Richard Jefferies, Annie Dillard and Barry Lopez (a friend of Macfarlane's until his death in 2020). Macfarlane approaches his subjects with the soul of the logophilic poet he once aspired to be (a body of water is described as having 'lacustrine calm') and an unerring eye for great narratives. He's covered much of the world's topography in award-winning books such as Mountains of the Mind (mountains), The Wild Places and The Old Ways (pathways), and Underland (subterranean landscapes). His book Landmarks, meanwhile, was a celebration of the often endangered words people have used to describe the natural world. So turning to rivers, as he has done in his latest book, bears a certain logic. But while Is a River Alive? aligns stylistically with Macfarlane's previous work – overflowing (all water metaphors to be forgiven in advance), as it is, with gorgeous, vivid prose – it is far more political than its predecessors. 'Across 10 previous books and more than 20 years of writing,' he writes in the introduction, 'I have never before known a subject with the urgency of this one.' Although he didn't write while he was on the river, Macfarlane filled his notebooks with his impressions of what he saw and experienced when he came ashore. Tom Oliver Lucas /The Globe and Mail He didn't originally plan to write about rivers per se; he was interested, rather, in what we mean by 'life.' He began by jotting down three questions: Can a forest think? Does a mountain remember? And is a river alive? 'They were all good questions to spend time with, but it was that third one that just plucked at my sleeve and wouldn't let me go.' This was in 2020, just a few years after the Rights of Nature movement was given a major boost by the granting of legal personhood to New Zealand's Whanganui River after sustained pressure from Maori campaigners. What's your favourite river in the world? Share your story with The Globe At the same time, rivers in England, Macfarlane's home country, were facing a deepening crisis. Overwhelmed and instrumentalized into invisibility and incapacity, the majority were effectively dead. And the problem, Macfarlane soon realized, was global in scope. 'That's where it felt like a writer could step into the space and begin to tackle the stories we tell about rivers and the ways we imagine them.' That writer, clearly, would have to be him. His research for Is a River Alive? took Macfarlane to three places where local river protectors have used imaginative techniques to cope with existential threats: mining, in the case of Ecuador's Los Cedros River; industrial pollution, for the rivers and estuaries of Chennai, India; and megadamming for the Mutehekau Shipu, also known as the Magpie River, which runs through Innu territory in northeastern Quebec. In 2023, Macfarlane travelled to eastern Quebec in order to follow the course of a river known in English as the Magpie, and in Innu as (among other names) the Mutehekau Shipu. Robert Macfarlane/Supplied The book also takes us to the psychic and intellectual spaces where Macfarlane ventured as he attempted to answer the question in the book's title. While he came out on the pro-rivers-are-alive side (he uses the pronoun 'who' when referring to rivers), he readily acknowledges how difficult and counterintuitive the concept can be for those, like himself, raised on rationalism (his parents and brother are doctors). Conferring rivers with personhood, he writes, isn't the same as anthropomorphism. 'To call a river alive is not to personify a river, but instead further to deepen and widen the category of 'life', and in so doing – how had George Eliot put it? – 'enlarge the imagined range for self to move in.'' Those who still find the notion a tad flaky might consider the fact that corporate personhood has been naturalized in many countries for years. The idea reached its most extreme form in the U.S. after the Supreme Court's Citizens United ruling, but even in Canada, corporations have many of the same Charter rights as human Canadians, including freedom of expression. In 2008, Ecuador became the first country to give nature formal rights in its constitution. Robert Macfarlane/Supplied Macfarlane approached each of his planned three river journeys differently, and with different companions. In Ecuador, he hikes and clambers through one of the most biodiverse regions of the world, the high cloud forest around the Rio Los Cedros, in search of the river's source. With him are a mycologist, an environmental-rights lawyer and a musician. In Chennai, he gets a tour of the city's toxic, sludgy rivers – victims of the area's unregulated heavy and chemical industries – by a young, self-taught naturalist who, along with a small group of fellow activists, is taking brave steps toward their resurrection. (The 2017 granting of legal personhood to the Ganga and Yamuna rivers, theologically considered deities, was inspired by New Zealand's Whanganui River ruling.) Amid the depressing carnage are moments of wonder. In a lake sanctuary reeking of nail polish, Macfarlane sees what he calls an 'avian Venice' – a floating city of birds. Where Chennai's rivers meet the Indian Ocean, he helps a local patrol move sea-turtle eggs to a place where hatchlings are less likely to get confused by the city's bright lights during their seaward scramble. After a patrol moves the nest from a polluted river, a baby sea turtle makes its way to the Indian ocean. Robert Macfarlane/Supplied The book's transcendent third section describes the 160-kilometre kayak trip Macfarlane took down the lower Mutehekau Shipu toward the Gulf of St. Lawrence. This time his entourage consists of his polymathic eccentric friend, Wayne, two francophone backcountry guides, Raph and Danny, and a local fisherman named Ilya. Here, Macfarlane's writing takes on a flow and intensity verging on the spiritual. (He isn't religious, but has admitted to falling back on the language of religion when trying to capture nature's sublimity). A thrilling, harrowing account of his journey down the river's rapids is told, appropriately enough, in what amounts to full stream-of-consciousness. 'I am still very far from being able to take that in, let alone comprehend it. I think perhaps I will always be coming to terms with it,' Macfarlane writes of his experience in Quebec. I ask him to expand on those cryptic lines. 'Words were just pouring through me. It was very, very strange and powerful and for a writer to feel that they were being written by a force utterly alien to them was perplexing and thrilling.' Before embarking on that final trip, Macfarlane had consulted with Governor-General's Award-winning Innu poet and activist Rita Mestokosho, who'd been instrumental in having the Mutehekau Shipu declared, in February, 2021, 'a person with a right to live' – the first river in Canada to be so recognized. After offering guidance for his river journey, she'd tied a bracelet of red cloth around Macfarlane's wrist. 'The other bracelet you must leave on your wrist. Only time or the river, which are the same things, can remove it,' said Rita Mestokosho. Macfarlane still has the red thread bracelet. Tom Oliver Lucas /The Globe and Mail When I ask if he still has it, he pulls back his sleeve. 'It's here, over my pulse, next to the only tattoo I have, and will ever have': the cuneiform symbols for river from the Epic of Gilgamesh. Literature's oldest written story means a lot to Macfarlane. He's studied it in multiple translations, made an album based on it with musician Johnny Flynn and is currently working on a graphic novelization of it. At the heart of Gilgamesh is a sacred cedar forest that gets destroyed by extractive interests, so when Macfarlane realized that the Ecuadorian cloud forest he'd be travelling to, Los Cedros, literally translated to 'the cedar forest,' he got chills. It's testament to the impact writing the book has had on him that Macfarlane has gotten involved with several related causes (in addition to the many he's already involved with). He joined the board of the Los Cedros Fund and continues to follow the fate of the Mutehekau Shipu – which could yet be dammed – through Mestokosho, with whom he has developed a close friendship. Is a River Alive? also inspired three 'water-songs,' one of which, he says, will be sung at springs and rivers at risk. Macfarlane was drawn to the Mutehekau after it became the first Canadian river to be recognized as a 'legal person' in 2021. Robert Macfarlane/Supplied 'I began these river-journeys in doubt and uncertainty,' Macfarlane writes. So in what frame of mind, I ask, did he end them? 'I ended unsure of what I'd seen and sensed, unsure of what power would make of such ideas, which are at once the strongest forces that we can muster and profoundly vulnerable to the sharp teeth and heavy blows of power.' He pauses. 'I couldn't have known that I would be publishing this book into a British context in which our rivers are all dying, and a North American context in which the war on life is accelerating to calamity pace. In which clean air and water regulations are being rolled back with greater speed and scale than by any administration before. 'And so the ideas at the heart of the book – of life as a web of relations, of the ancient compact of life that flows between humans and freshwater – feel at once more fragile and more crucial than at any point in my life. I don't mean that in a grandiose sense: that the book has some great conversional power to it. I mean that although the ideas and the places and the rivers I've spent time with have been ancient on the one hand, they have felt very urgent on the other. As a writer, that feels like the right place to be.'


The Guardian
17-05-2025
- Entertainment
- The Guardian
Rob Macfarlane : ‘Sometimes I felt as if the river was writing me'
Robert Macfarlane has been called the 'great nature writer and nature poet of this generation'. A teacher, campaigner and mountaineer, he has been exploring the relationship between landscape and people since his breakthrough book, Mountains of the Mind, in 2003. His latest work, Is a River Alive?, was more than four years in the making, and, he says, the most urgent book he has written. Q: Your book is poignant and inspiring, but one part that made me laugh is where you first tell your son the title and he replies, 'Duh, of course it's alive. That's going to be a really short book.' So, I should first congratulate you on stringing it out for more than 350 pages! A: Ha! Well there were times I dreamed of writing the haiku version, let's say. But much as I would long for the answer to the question of the title to be as simple as [my son] Will found it, of course it is a profoundly difficult one. That's why the title is a question not a declaration: by means of travel, encounter and immersion, the book explores the tributaries and watershed of this vastly complex question of how we imagine rivers – and indeed how we imagine life itself. So I suppose you could say that answering the question of the title couldn't have taken any less time than it did, and couldn't have been written in any fewer pages than it was, much as Will would have encouraged me to be more precise. Q: The idea of a river being alive is quite heretical these days, isn't it? A: I love that description: 'heretical'. Yes! I'm already finding that I'm getting people online who are, on the one hand, saying: 'You idiot, of course a river is alive. Why bother even with the question mark?' And then on the other, I'm getting the rationalists who are like: 'You idiot, of course a river isn't alive. It's just H2O plus gravity. What kind of hippy nonsense are you spouting?' Q: As you point out in the book, even listening to a river was once punished by the lash. Separating people and nature needed violent enforcement … A: Absolutely. The history of the rise of rationalism required the extirpation of 'idolatry', as the New World conquistadors and colonists called it, a version of which was also carried out across the British landscape during the Reformation, when a purging fury was visited upon water in particular as a site of supposedly iconoclastic belief. I'm fascinated by the ways in which the drive to eliminate the dissenting autonomy of water – of running water, of rivers, of springs – has marched often in lockstep with power that seeks to eliminate all forms of spiritual relationships with land and water, replacing the sacred with the fiscal. We are seeing this accelerated now in America, where Doug Burgum, the secretary of state for the interior, at his Senate confirmation hearing, described America's public lands as America's 'balance sheet'. The assetisation of everything is under way. Everywhere now we see a war continuing to be waged between 'anima', between life, and a power that seeks to mortify that life because it knows that the imaginative 'deadening' of land and water is the best step towards maximum extraction. Q: Of all the books you've written so far, you state that none has felt as urgent as this one. Why? A: The world's ecological precarity, I suppose, is the plainest answer to that, and especially the precarity of the world's rivers and freshwater bodies. Q: Although much of the subject matter is quite grim in terms of the despoliation of ecosystems, what comes across is courage, intelligence, love and a desire to do right by future generations and other species. How did it evolve? A: This was initially imagined as a book about 'life'. That was ridiculous hubris, of course, but that was really the source: what are the stories we tell about what is alive and what is dead, and how does that compare to the stories that power tells about what is alive and what is dead? Rationalism and instrumentalism tell a presently dominant story about rivers as 'inanimate brute matter', to quote Isaac Newton; about rivers as nothing more than 'service providers'. But the total dominance of that story is perilous. I guess that, as a writer, one's job is to seek other, better, new-old stories about rivers and our relations with them. Q: You dive into the lives and deaths of rivers on four continents. But it is also very much about human activism – the defenders who are trying to prevent ecocide on the ground, and the Nature Rights advocates who are trying to change the law at a national or global level. What started you off on this? A: I wanted to immerse myself in the sheer tumbling vigour of the young rights-of-nature movement, which is one of the running currents in the book. I would wake up every morning, and there would be a new email, a new story, a new contact, a new case about rights of nature. It feels as if that movement is presently stepping forwards very consequentially in terms of re-imagining and re-storying the law in order to strike at some of the deeply anthropocentric foundations of almost all nation-state jurisdictions. Q: Despite the global reach, the different elements seem to be brought together by relationships? A: Absolutely. Other than that of the river, if there is a motif that weaves through the book, it's that of the mycelium. It's the mycelium that sets the night-forest alight in the first pages of the Ecuadorian section, and I hope it is the mycelium that is what might be called the visible 'ethos' of the book. All that emerges in the book emerges as a function of cooperation, of collaboration, of working together. I wanted to try to find a literary form and a kind of polyphonic texture, in order to reflect the many voices and agencies involved in river-thought and river-guardianship. Q: The book calls for revolution. How did you reflect this in the style? A: The revolution it calls for is a revolution of the imagination. The book's language is intended to speak to, and of, a changed relationship with rivers – an animated relationship. To give a simple example of this, I write throughout about rivers who flow, not rivers that or which flow. Now that feels totally normal to me. I'd love that usage to spread. Of course, it is already like that in other languages. In French, for instance, it's la rivière qui coule, le fleuve qui coule. Sign up to Down to Earth The planet's most important stories. Get all the week's environment news - the good, the bad and the essential after newsletter promotion In English, we have no verb to river, but what could be more of a verb than a river? At the level of form and pattern, I sought to give the whole book the shape of the water cycle. So we begin at the springs who rise near my home, and we end back at the springs. In between, the book travels up to the mountains and from there descends eventually to reach the sea at the Gulf of Saint Lawrence. By the final pages, language has entered a sort of liquid state. Language has been rivered, as well as me. I strongly felt at times that I was writing with the river, or even being written by it. Q: How does that co-authorship with a river work? A: It is glaringly obvious to me that all thought is intersubjective. This book could not have been written by sitting still. It could not have been written from the archive. A great deal of it was written in its first form either on rivers, by the banks of rivers, or within earshot of rivers; having spent days following rivers, being buried within rivers, spat out by rivers. I find it bizarre that copyright law rejects the notion of nature or a natural entity as possessing the capacity to be recognised as a 'moral author' (to use the term of art from copyright law). As I think you know, [the Earth rights scholar] César [Rodríguez-Garavito], [the mycologist] Giuliana [Furci] and [the musician] Cosmo [Sheldrake] and I, as well as, of course, the Los Cedros cloud forest, have brought a case in the Ecuador court system to recognise the moral authorship of the cloud forest in the song that was written in the course of the book's research [called Song of the Cedars]. If you listen to the song, you can hear the voices of the forest (the howler monkeys, the bats, the wind, the rivers, the trees). They're performers of, as well as the co-thinkers of, that song. Q: The book starts and finishes in the little chalk streams of Cambridge. Do you feel people here have the same passion to defend rivers as those you met in India, Ecuador and Quebec/Nitassinan? A: I'm lucky to live on the chalk of southern England. We have around 85% of the world's chalk streams here in England. You could liken it to the Great Barrier Reef, perhaps; a super-rare, remarkable ecosystem. It has brought life to the landscape here, but now we have largely forgotten its marvellousness, its fragility and its rarity. Nevertheless, amazing things are happening in England in terms of what we might call the river guardianship movement: communities rising up to take water companies to court, hold government to account, train a small army of citizen scientists to monitor and test river health. This community response is born of the same impulses, it seems to me, which animate those communities I travelled with and spent time with in other countries. That is to say: born of a belief in water as life, and a belief that our fate flows with that of rivers, and always has. Q: One of the people in your book, the Waanyi writer Alexis Wright, says humanity has never been in more urgent need of powerful storytellers to address the environmental crisis. But I've also heard friends say the time for stories is over, we now need action. How do you respond to that? A: Storytelling remains, to me, central and vital in its powers. I reject the notion that storytelling is a fundamentally passive posture. Rather, it can crucially catalyse the conversion of passion into action. It has ways of reaching both heart and mind that argument or polemic can't. Of course, there are bad stories told well by bad people, as well as good ones told well by good people. In terms of powerful storytellers for the good, as it were, I might take the example of the Innu poet, storyteller and community leader, Rita Mestokosho, who is an important character in the final third of the book. Rita is a lifelong activist for the Innu language, Innu people and Innu land. She sees no distinction between her work as a writer and as an activist. During the years of river research, I saw new-old stories being told again and again around the world, thrillingly and with consequence. Q: What would you like readers to take away from this book? A: I want readers to imagine rivers as having lives, having deaths and even having rights – and to see what flows from that re-imagining in terms of law, culture and politics. And I would like them to take the full downriver journey of the book, from mountain to sea. Q: And where do you go next? A: This book has taken a long time, but among its surprises is that it continues to flow; the stories, rivers and people who run through its pages continue to run through my life very consequentially. I remain closely involved with the ongoing guardianship of Los Cedros in Ecuador, and the need to support and maintain the implementation of the protective ruling there. Oh – and we've just completed a big cleanup fundraiser and organisation to airlift out a whole bunch of heavy-duty junk we found high up in the watershed of the Mutehekau Shipu in Canada. Yes, Is A River Alive? just won't stop flowing!


Daily Mail
10-05-2025
- Entertainment
- Daily Mail
The catastrophic extent of Britain's river problem: ‘Undrinkable, unswimmable, and now untouchable', says nature expert ROBERT MACFARLANE
As a child, Robert Macfarlane would spend long stretches of his summer holidays floating, face down, in the River Avon in Scotland. 'It ran along the edge of my grandparents' field in the northern Cairngorms. The water was cold and totally clear. I remember wearing a snorkel mask and seeing the shadows of salmon, these torpedo-like shadows, reorganising themselves in the water or just holding steady against the flow.' Macfarlane, 48 and from Nottinghamshire, has written 12 books about the natural world. He has also scripted two documentaries (one about mountains, one about rivers, both narrated by actor Willem Dafoe); been nominated for the Wainwright Prize – the UK's top nature-writing award – four times and won once; and been described by The Wall Street Journal as 'the great nature writer, and nature poet, of this generation'. We meet in Cambridge, where he lives with his wife and three children and is a professor at the University, to go for a two-hour walk along a chalk stream and discuss Is A River Alive?, his new book about waterbodies. Every so often our conversation stops for him to point out a wren building a nest on the edge of the stream, a collection of cowslips, or – most excitingly – a water vole. The latter has reflective eyes and a thick coat that dries as soon as it comes out of the water. 'That's the first water vole I've ever seen on this stream. That is amazing.' Macfarlane started writing about rivers in 2020, travelling for research. In Canada, he spent 14 days kayaking along the 290km Mutehekau Shipu; in India, he found ponds that had been polluted with radioactive fly ash from nearby power stations. The ash settled on the water and turned its surface into a sort of jelly. Macfarlane saw children bouncing on it, as if it were a trampoline. He hadn't realised, though, that in the four years it would take him to write the book, 'rivers would move so decisively to the centre of the conversation in the UK'. The Oxford English Dictionary lists 13 different meanings for the word river; the BBC says a river is a large 'moving body of water' that flows across land into 'another body of water'. Macfarlane calls a river 'a gathering that seeks the sea'. Either way, there are around 1,500 in the UK. Of those in England and Wales, none is in 'good chemical health'. Recently, Macfarlane saw a sign for the Kent, Hampshire and Sussex water operator, Southern Water, attached to some railings by a river. 'It read: 'Please try not to come into contact with the water. If you do, we recommend washing your hands thoroughly before preparing food.'' Above the text sat Southern Water's slogan: 'Water for life'. There are lots more of these sorts of examples. Last year, three rowers from the University of Oxford contracted stomach bugs while training for the boat race, because the water from the Thames – which had splashed from their oars on to their skin – contained high levels of E. coli. This year, the charity River Action reported that the Thames still failed basic safety standards; water tests found E. coli levels were triple the Environment Agency's threshold for 'poor' bathing waters. Meanwhile, Macfarlane, a patron of The Outdoor Swimming Society since 2006, says he would no longer swim in his local waterway, the River Cam. It is simply not clean. 'We live in a country where many of the rivers have become first undrinkable, then unswimmable, and now untouchable.' The question, then, is how? And the first answer is sewage: 'the mega-villain of river death in this country'. Most of the UK's sewage network operates using a Victorian 'combined system', which means sewage and rainwater are collected in the same pipes, before travelling to treatment works. During heavy rainfall, these pipes can't hold all the sewage and the rain, so they overflow. Water companies are allowed to discharge untreated sewage into rivers in these exceptional circumstances, but they've also started dumping sewage illegally – when the rain is not that heavy, or even when the weather is dry. According to the Environment Agency, untreated sewage was discharged for a collective, and record-breaking, 3.62 million hours last year. It is, says Macfarlane, a failure of the companies, which have underinvested in improving our creaky systems, 'sweated the assets they were handed', and meanwhile given enormous dividends to shareholders. (Between 1991 and March 2023, the 16 water monopolies in England paid out more than £78 billion in dividends and, despite being privatised with zero debt, they've borrowed more than £64 billion. Consequently, Thames Water, for instance, increased its 16 million customers' bills by 35 per cent this year.) And it is a failure of the regulator, Ofwat, which has not enforced meaningful enough fines to discourage this sort of behaviour. The other major problem for British rivers involves agricultural practises – particularly the disposal of slurry. This happens if farmers spread excess animal waste over their land; when it rains the waste runs into rivers. 'The government finding ways to financially reward farmers for better slurry management will reduce the amount of…' Macfarlane is about to say 'waste' – I think – but he sees a bird. 'Oh look, skylark!' What is amazing, however, is how quickly rivers can heal. In 2024, the Klamath River in Oregon underwent the largest dam removal in US history. Within two weeks, salmon, which had not swum in the waters for a century, returned upstream. Or consider Switzerland. In the 1960s, the country had some of the foulest rivers in Europe. After improvements to sewage infrastructure, they are now some of the cleanest. Damage is often reversible. There's hope in the UK, too, according to Macfarlane. 'In the past three or four years, there's been an extraordinary rising up and organisation of communities. Charities like River Action, which is taking water companies to court, citizen science activist groups, swimmers, anglers, kayakers and everyday river lovers are driving change.' Macfarlane also mentions the River Rescue Kit, from River Action, which explains how to test your local waters for sewage; and online maps that report sewage dumps live. He rates the one on the website of Surfers Against Sewage. But not all of our waters are dirty. Thanks to 'coalitions of the loving' and 'some landowners who have pursued very enlightened policies', rivers including the Nar in Norfolk remain clean. Scotland – and specifically the Highlands – has generally better water quality than England, too. The Avon, where Macfarlane floated as a child, would still look clear, he says. (In general, Macfarlane's wild-swimming rules are as follows: don't swim after heavy rain; try not to swallow water unnecessarily; cover up cuts; and check the maps. 'There's still lots of happy, healthy fun to be had.') There is also 'daylighting' – the process of restoring rivers that have been otherwise buried. This February, a stretch of Sheffield's River Sheaf was uncovered. Before then, it had been underground for 100 years. The main theory of Macfarlane's book is that rivers are alive, not just alive in the sense of being an ecosystem, a place where other animals and plants live, but alive themselves: their own vast, complex, living entities. I was not entirely sure, to be honest, that I understood it as an idea. But, looking at the photographs of the Sheaf seeing daylight for the first time in a century, it becomes clear that the river is, absolutely, alive. Last month, Macfarlane travelled to the Highlands for a holiday. He swam in rivers, watching 'your skin turning that sort of amazing, coppery bronze'. What did it feel like to be in clean water? 'Certain powers in this country have made the mistake of coming to regard rivers entirely as resources, not as life forces. But in a river, you feel life flowing into you. It feels like enlivenment.' Is A River Alive? by Robert Macfarlane (Hamish Hamilton, £25) is available now. To order a copy for £21.25 until 25 May, go to or call 020 3176 2937. Free UK delivery on orders over £25. 200,000km collective length of rivers in the UK 14% rivers in England and Wales in 'good overall health' 3.62 million collective hours that sewage was discharged into British rivers in 2024 354km length of the Severn, Britain's longest river 200 tonnes amount of plastic removed from the Thames each year 1,500 rivers in the UK 20 rivers buried under London's streets 2 years time that water company bosses can now spend in prison for illegal sewage spills