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Matter Industries founder Adam Root has developed a filter to trap microfibres at home and on an industrial scale. But is it just a drop in the ocean?

The dinky device slots seamlessly into the modest space above my washing machine. A pipe snakes down from it, drawing in wastewater from my clothes washes. At the end of each wash cycle, the machine makes a polite whirring noise: that’s the sound of the groundbreaking bit of technology working, according to its inventor, Adam Root. That invention is a microplastics filter.

“The most common thing we hear [from customers] is: ‘I cannot believe how much material is coming out of the washing machine,’” says Root. “Somebody sent me [photos of] dinner-platefuls.”

The naturalist is venerated as a cuddly Paddington Bear, but he’s more than that. Don’t let the superficial backslaps obscure the political critique he makes

The excesses the capitalist system has brought us have got to be curbed somehow. Ordinary people worldwide are beginning to realise that greed does not actually lead to joy. Our economic system has been based on the profit principle: you have to come out at the end of the year having made a profit, and the bigger profit you have made, the better it is. In the short term that works, but it ends with disaster.

At this point, I should make a confession. The above sentiments are not mine at all. In fact, they were pilfered, purloined, shoplifted from a far more erudite radical thinker than myself. So, quiz time: which incendiary leftwing firebrand spoke these words? Zack Polanski? Antonio Gramsci? Ash Sarkar? At the very least, you would probably assume that, in the current climate, anyone daring to utter these dangerous fringe sentiments would be cast to the margins of our cultural life, only occasionally being let out for the purposes of getting shouted at on the Jeremy Vine show.

Jonathan Liew is a Guardian columnist

Preseli Hills, Pembrokeshire: Bouldering on volcanic rock is hard on the hands, and I have no established path to work with, but it’ll be worth it

I’ve been eyeing up this jagged rock edge all week. From my home away from home, I can see it from the windows, looming darkly on the brow of the hill. The storms of the last few days have passed, lingering only as a fierce wind that should dry the rock nicely.

I’ve never been to Carn Ffoi before, but I’ve always wanted to explore those broken tors that dot the hills of Carningli Common. Below them, the sandy Trefdraeth bay opens its arms to the Irish sea and its changing tempers, and the gorse, still singed from last year’s fires, gives way to scrub and close-cropped grass. The view of the endless, rugged coast will be special.

Families turn to dirty fuels such as firewood, bringing fears over air pollution and fragility of energy transition

In the ramshackle lanes of a south Delhi slum, Afshana Khatoon crouched wearily on her haunches and began lighting a small pile of firewood.

She had only just returned from six hours spent trudging through the urban forests and dry parks of India’s capital looking for kindling to turn into a makeshift stove. As the unforgiving summer heat soared above 40C, she had walked for miles, piling the sticks and fallen branches into a bundle on her head while sweat ran down her face.

Court cases in Kenya point to a growing market for ants as exotic pets in Asia and Europe that has implications for conservation and biosecurity

In the biblical text Book of Proverbs, King Solomon describes the harvester ant as a model of wisdom and industriousness: “Go to the ant, you sluggard; consider its ways and be wise!”

Almost 3,000 years later, the thriving international parallel market for a distinct species of the ant native to east Africa has been thrust into the global spotlight after a series of convictions in Kenya for ant smuggling.

The treasurer has shown economic reforms should not be left to the too-hard basket, and instead be pursued with a sense of urgency

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Finally, a budget of economic reform. It has been too long coming. At this stage of the economic cycle, the budget should be in surplus. It should not be adding tens of billions of dollars every year to the mountain of public debt. Sixteen years after the release of the tax review commissioned by the Rudd government, our tax system should be supporting much better budget outcomes. It should be underwriting much stronger productivity growth. It should be delivering a much better deal for young Australian workers. And it should be delivering to Australians a much bigger share of the resource rents being extracted by the foreign multinationals exploiting our finite natural resources.

So, this budget doesn’t fix everything.

Party held out prospect of act while in opposition but plan did not make it into election manifesto

Ministers should bring forward a new clean air act that would ban wood burning, clear diesel vehicles from the roads and force councils to cut pollution, a group of more than 60 charities have urged before the king’s speech on Wednesday.

Labour held out the prospect of a clean air act while in opposition in 2023, but this was dropped from the final election manifesto, and the government has made no move to reinstate it.

South Florida fires that burnt through 45 sq km (11,000 acres) of land over the weekend spread on Monday as emergency crews worked to contain them.

Florida Forest Service said 'the growing fires were producing smoky conditions with reduced visibility'. No serious injuries or property damage have been reported.

Dry conditions have led to wildfires in other parts the country, including fires that destroyed dozens of homes in southern Georgia last month

The Kenyan player has been recognised for his advocacy and grassroots work to tackle sport’s carbon footprint

“Most well-known people who talk about climate change are in North America and Europe,” says Kenyan rugby sevens star Kevin Wekesa, “but for us this is a very relevant conversation. It is not only about future tournaments or big international pledges. In Kenya, we see the effects in rising heat, cracked pitches and changing weather in communities where young athletes are growing up.”

A year before competing in his first Olympic Games at Paris 2024, Wekesa responded to Kenya’s relegation from the top tier of international sevens by offering free rugby coaching in schools across Kenya. After travelling to a school in Kirinyaga on the slopes of Mount Kenya, a wet and verdant region, Wekesa found an unplayable dry field and was forced to cancel the session. One of the students told Wekesa that conditions had been similar for two months, while another suggested the unfamiliar weather was because of climate change.

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It is the most extracted solid material on Earth – but this extraction can threaten ecosystems and livelihoods

Malé is one of the world’s most overcrowded cities, but it faces double pressure. As well as a growing population, the capital of the Maldives is also threatened by rising sea levels. Owing to climate breakdown, its living space is shrinking.

So the justification for a land reclamation project seemed clear. Take sand from elsewhere in the archipelago and use it to build up the land available for Malé’s people. What could go wrong? After all, it’s only sand, right?

With some long-awaited sanity on housing and taxes, including CGT and negative gearing changes, it’s one of the most important for good – but will still leave some out in the cold

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This year’s budget is an odd affair. So much had been leaked and dropped to the media that there are barely any surprises. But that does not mean it does not live up to the billing of being ambitious – basically killing off the capital gains tax 50% discount is a huge deal.

The lack of changes on gas tax, an absence of increased assistance for the unemployed and renters, and cuts to the NDIS, however, show that this is still a government where ambition is not in surplus.

Cockrow Bridge in Surrey will open in the coming weeks to provide wildlife, including lizards and insects, with the ability to move between fragmented habitats

When James Herd moved near to Wisley Common 17 years ago, the heathland nature reserve was teeming with wildlife. “I’d take the dog around the common in spring and summer, and every few hundred metres I’d hear the rustle of a lizard in the undergrowth – and I’d see adders,” he says.

But over the past decade, the Surrey Wildlife Trust’s director of reserves management, who oversees the internationally important habitat, has seen that wildlife become depleted.

After a series of deaths on the beaches of Brittany, one bereaved family set out to prove the foul-smelling bloom was to blame

When her phone rang at around 5pm on 8 September 2016, Rosy Auffray was still at work. It was one of her daughters, distressed, calling to tell her that their father, Jean-René, had not come back from his daily run. Only the family dog had returned, alone and exhausted. Rosy rushed back home.

When she arrived, Rosy noticed that the dog was behaving bizarrely: she refused to walk, then collapsed under a bush. Her fur stank of rotten eggs, of overflowing sewers. Rosy knew where that smell came from: the mudflats roughly three miles from the family home in Brittany, where seaweed had been accumulating and putrefying. The soggy, decomposing seaweed stretched for miles along the shore, sometimes as much as five feet thick, killing other plants and suffocating fish and small birds.

As dingoes vanish from parts of Australia, a new documentary is calling on governments to move away from eradication and towards solutions that benefit both farmers and animals

Carol Pettersen was a small child when her family moved deep into the bush around the Fitzgerald river, on Western Australia’s south coast. It was the 1940s, and her white father and Aboriginal mother had broken the law simply by being together. So the bush became their refuge.

In that country of mallee heath, banksias and low coastal scrub, dingoes were part of the family’s hidden world. At night, Pettersen could hear them calling through the dark; by day, she glimpsed them moving through the bush – a flicker of red fur among the trees.

The Eden Project’s National Wildflower Centre is opening entries for its Wildflower Photographer of the Year 2026 competition on 29 May. The contest showcases images of some of Britain and Ireland’s 1,600 wildflower species, and a selection of photos from last year’s competition will be on display at Eden Dock, Canary Wharf, London, during CWG’s Nature Week, from 13 July

National Geographic photographer and WWF ambassador Jasper Doest joined conservation teams during the latest mountain gorilla census in Bwindi Impenetrable national park, taking pictures of the apes and the people essential to their survival

Claims of nimbyism are a misunderstanding: the movement is about whether regular people have a say in fundamental decisions

Since the surreal scene at the 2024 presidential inauguration, when a row of big tech titans took their VIP seats and signaled their new alliance with Maga, the Trump administration has rolled out the red carpet for Silicon Valley’s AI ambitions and shareholder priorities.

Washington has doled out billions in lucrative federal subsidies and contracts to the cash-rich sector, bloating an AI bubble that experts warn may imperil the entire economy while prohibiting any guardrails on the fast-moving technology.

In an exclusive interview, a seafarer describes the strike on the MKD Vyom in the Gulf of Oman that killed his friend and crewmate, Dixit Solanki

The blast tore through the engine room of the tanker MKD Vyom without warning on the morning of 1 March. “There were immense shock waves and a fireball,” says Basis*, a seafarer on one of the first ships to suffer a fatal attack in the Gulf of Oman during the US and Israeli airstrikes against Iran.

“For one or two seconds, I was knocked out,” he says. “Everything went black. The power was gone. I looked up – fire and thick black smoke was pouring down.”

This week’s best wildlife photographs from around the world

Debate continues to rage over whether a strange carcass found in 1937 was a new species or a basking shark. Either way, the case reveals how little is known about what lies beneath the waves

Its head resembled a dog’s, its downturned nose a camel’s, and at the end of its reptilian body was the tail of a horse. Witnesses say it was covered in a thin white film. When the remains of a strange creature were pulled from the stomach of a sperm whale, most of those present agreed: it was a sea monster – or at least something unknown living in the depths off Canada’s west coast.

Crews at the whaling station in the archipelago of Haida Gwaii assembled a platform of wooden boxes and laid out the 3-metre (10ft) carcass, using a white sheet to display the curiosity that had baffled veteran whalers.

In the UK capital, Bomb Crater Pond is full of wildlife, while scientists studying land obliterated by recent Russian blasts 1,500 miles away have seen ‘how quickly nature begins to heal itself’

In February 1945, towards the end of the second world war, a German V2 rocket struck Walthamstow Marshes in east London. The explosion tore a crater into the marshland. Left untouched, it slowly filled with water, sediment … and life. Today, this wartime scar has become a thriving pond.

“It’s small but it really punches above its weight,” says Luke Boyle, a ranger for the Lee Valley Regional Park Authority, as he kneels at the edge to examine aquatic plants sprouting their early spring shoots. “We can’t manage the hydrology here, so it is actually a vital part of the ecosystem – it supports a range of plants, insects and amphibians, more than you might expect,” he says.

Moreangels Mbizah has blazed a trail in Zimbabwe as the first black African woman to found a conservation organisation in the country

The turning point for Moreangels Mbizah came in 2014. The conservation biologist was in Hwange national park in Zimbabwe, scanning the savannah to monitor the movements of lions for her zoology PhD research.

The GPS signal told her something was wrong. One of the lions had strayed into a nearby village, putting itself and the local community at risk. Mbizah and her team took off to try to herd it back into its habitat.

The Welsh seaside resort has already seen a fall in offending and drug use, now a £20m investment and a fresh approach to building job skills is bringing new opportunities for under-25s

Killing time playing pool at the West Rhyl youth club, friends Sienna, 19, and Jake, 26, are unanimous when asked what a tour of the north Wales seaside town should look like. “The first place I’d show anyone is ‘Crackhead Circle’,” Sienna says.

The small public garden behind the town hall and a paved area by the closed home bargain store Wilko in the adjacent high street host several strung-out characters on a cold February afternoon. Police cars crawl through the area every 15 minutes or so as part of Project Renew, a year-long crackdown on gang activity and drugs.

The bizarre vertical flight pattern has long puzzled experts but new research reveals why it may play a crucial role in the insect’s survival

On a spring evening along the banks of the River Thames, thousands of mayflies can be seen engaging in what may be one of the world’s oldest dances. In the fading light, the males make a steep vertical climb, flip over and float back to Earth – wings and tail outstretched in a skydiving posture so as to drop slowly through the sky.

Mayflies are among the world’s oldest winged insects, emerging roughly 300m years ago – long before dinosaurs walked the Earth. Even the Mesopotamian poem the Epic of Gilgamesh, one of the oldest pieces of literature, makes reference to the short-lived mayfly. Over the epochs, the insect’s basic design has changed very little compared with the fossils of their ancestors.

After her sister died, Victoria Bennett left Cumbria for the remote Scottish archipelago, where she learned to go with the ebb and flow of life

It was during her first winter in Orkney that the nature writer Victoria Bennett experienced the joy of baying into the sea during a storm. “There’s something very physically releasing about howling,” she says. “It’s quite animalistic and powerful.” On a stormy beach, when waves are crashing on the rocks, “you can really let rip”, she says. “The sound just disappears.”

Until that moment, Bennett had been struggling with her decision to move to the remote archipelago off the north coast of Scotland. “I was beginning to feel like I was in a fight against the sea, and against the weather.”