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The Olive Tree Initiative In a heartwarming display of resilience and determination, volunteers in Gaza have come together to plant olive trees at the ravaged al-Shifa Hospital. The initiative aims to bring a sense of hope and renewal to the devastated area, which has been severely impacted by the ongoing conflict. Reviving a Symbol of Peace Olive trees are often seen as a symbol of peace and tranquility in the Middle East. By planting them at al-Shifa Hospital, the volunteers are not only beautifying the area but also promoting a sense of calm and serenity. The hospital, which was once a beacon of healthcare and medical excellence, has been severely damaged and is in dire need of restoration. A Message of Hope The olive tree planting initiative sends a powerful message of hope and resilience to the people of Gaza. Despite the challenges and hardships they face, the volunteers are taking proactive steps to rebuild and restore their community. The event serves as a reminder that even in the darkest of times, there is always a way forward. The Road to Recovery The road to recovery for al-Shifa Hospital and the surrounding area will be long and arduous. However, with initiatives like the olive tree planting, the people of Gaza are taking the first steps towards healing and rebuilding. The international community has a crucial role to play in supporting these efforts and providing the necessary aid and resources to facilitate the recovery process.

The Unseen Robin Hood: Director John Irvin on His Anti-Thatcher Film Thirty-five years ago, two films about the legend of Robin Hood – stealer from the rich, giver to the poor – met and duelled in cinemas; we all know who won, Kevin Costner’s big-budget blockbuster, Robin Hood: Prince of Thieves. But what about the other one? It was titled simply Robin Hood, directed by John Irvin and starring Patrick Bergin in the title role alongside a pre-Pulp Fiction Uma Thurman as Maid Marian. The Aim Was to Give Kevin Costner's Version a Good Kicking “It was very much a stand-alone film with the aim of giving Kevin Costner’s version a good kicking if we could,” says Irvin, now 85. “The studio wanted to go immediately because they wanted to pre-empt Costner.” The Data Analysis: A Modest Budget and Box Office Return The film had a modest budget and was released internationally, but in the US it premiered as a three-hour TV film in May 1991. Costner’s film took just short of $400m in worldwide receipts and became the year’s summer blockbuster. The Impact Analysis: Anti-Thatcherism and Social Commentary Irvin admitted: “The production was tricky. It was cold and wet. It was winter, so Robin Hood couldn’t be in ‘Merry England’. All the trees were bare, so nobody could hide and ambush people. “Quite serendipitously, we found in Cheshire, near the castle, a whole warren of salt mines. I thought it was perfect because it was underground. It was my attempt to give a more honest version of Robin Hood during the middle ages. Around the time of the film there were poll tax [protests] in England. There is a sort of underlying current of anti-Thatcherism in the movie, which was picked up by one or two critics. We tried, without being too on-the-nose, to make it relevant to Thatcher’s England. It was subversive, but in a very, I hope, subtle and nuanced way.” The Prediction: A Legacy Reevaluated “I think it holds up well. The story of Robin Hood seems to be woven into our national psyche. When there’s a sense of oppression, it’s good to have a saviour like Robin Hood, who’s going to give two fingers to the establishment.”

The Concept of the Garden Stinging nettles, buttercups, broken crockery, fly-tipped flowers and a discarded gnome are not the usual hallmarks of an RHS Chelsea flower show garden. But this year’s On the Edge garden by Sarah Eberle – the most decorated designer at Chelsea – is designed not to look like a garden at all, rather to transport its visitors to the liminal spaces on the outskirts of towns where the countryside begins and nature is in critical need of protection. The Garden's Design and Features The garden is about the fringe lands of towns and cities – and how vulnerable they are to development. There is very much a feel of the countryside to it, but with a town edge coming in, in its plant material. Right at the front is its centrepiece: a fallen mature tree sculpted into a reclining female figure by the chainsaw carver Chris Wood, “a mixture of stone and timber carved from a sequoia that’s fallen on this piece of edgelands”. The Symbolism of the Sculpture The sculpture, which represents Mother Nature or Gaia, the Greek goddess of the Earth, is intended to evoke the peacefulness and vulnerability of green belts and other countryside that surround urban centres. Its arm touches rainwater collected in a gravel pool and its willow hair flows into a dry stone wall that winds through a landscape dotted with native trees such as hornbeam, field maple and hawthorn. The Planting Scheme The planting scheme includes lots of wildlife-friendly native plants that are typically viewed as weeds, such as buttercup, wild strawberry, purple foxglove, cow parsley and stinging nettles. “There is beauty in our ordinary, native landscapes and the plants you find there – and a weed is only a plant in the wrong place,” said Eberle. The Impact of the Garden Eberle hopes the garden will help to convey how fragile, scrappy patches of countryside on the edges of towns and cities can serve as important sanctuaries for wildlife and urban communities. “If we look after these spaces, they can be good for nature and good for people,” she said.

Breaking Down the Complex Language of AI Artificial intelligence is changing the world, and simultaneously inventing a whole new language to describe how it’s doing it. Spend five minutes reading about AI and you’ll run into LLMs, RAG, RLHF, and a dozen other terms that can make even very smart people in the tech world feel insecure. This glossary is our attempt to fix that. We update it regularly as the field evolves, so consider it a living document, much like the AI systems it describes. Artificial General Intelligence (AGI) Artificial general intelligence, or AGI, is a nebulous term. But it generally refers to AI that’s more capable than the average human at many, if not most, tasks. OpenAI CEO Sam Altman once described AGI as the “equivalent of a median human that you could hire as a co-worker.” Meanwhile, OpenAI’s charter defines AGI as “highly autonomous systems that outperform humans at most economically valuable work.” Google DeepMind’s understanding differs slightly from these two definitions; the lab views AGI as “AI that’s at least as capable as humans at most cognitive tasks.” Confused? Not to worry — so are experts at the forefront of AI research. AI Agent An AI agent refers to a tool that uses AI technologies to perform a series of tasks on your behalf — beyond what a more basic AI chatbot could do — such as filing expenses, booking tickets or a table at a restaurant, or even writing and maintaining code. However, as we’ve explained before, there are lots of moving pieces in this emergent space, so “AI agent” might mean different things to different people. Infrastructure is also still being built out to deliver on its envisaged capabilities. But the basic concept implies an autonomous system that may draw on multiple AI systems to carry out multistep tasks. API Endpoints Think of API endpoints as “buttons” on the back of a piece of software that other programs can press to make it do things. Developers use these interfaces to build integrations — for example, allowing one application to pull data from another, or enabling an AI agent to control third-party services directly without a human manually operating each interface. Most smart home devices and connected platforms have these hidden buttons available, even if ordinary users never see or interact with them. As AI agents grow more capable, they are increasingly able to find and use these endpoints on their own, opening up powerful — and sometimes unexpected — possibilities for automation. Chain-of-Thought Reasoning Given a simple question, a human brain can answer without even thinking too much about it — things like “which animal is taller, a giraffe or a cat?” But in many cases, you often need a pen and paper to come up with the right answer because there are intermediary steps. For instance, if a farmer has chickens and cows, and together they have 40 heads and 120 legs, you might need to write down a simple equation to come up with the answer (20 chickens and 20 cows). Coding Agent This is a more specific concept that an “AI agent,” which means a program that can take actions on its own, step by step, to complete a goal. A coding agent is a specialized version applied to software development. Rather than simply suggesting code for a human to review and paste in, a coding agent can write, test, and debug code autonomously, handling the kind of iterative, trial-and-error work that typically consumes a developer’s day. Compute Although somewhat of a multivalent term, compute generally refers to the vital computational power that allows AI models to operate. This type of processing fuels the AI industry, giving it the ability to train and deploy its powerful models. The term is often a shorthand for the kinds of hardware that provides the computational power — things like GPUs, CPUs, TPUs, and other forms of infrastructure that form the bedrock of the modern AI industry. Deep Learning A subset of self-improving machine learning in which AI algorithms are designed with a multi-layered, artificial neural network (ANN) structure. This allows them to make more complex correlations compared to simpler machine learning-based systems, such as linear models or decision trees.

The Spread of Spotted Lanternflies Around grape harvest time about three years ago, an employee at Zephaniah Farm Vineyard in Leesburg, Virginia, noticed bugs, about 1in long with gray and black wings and a bright red underwing, atop some trees. They were spotted lanternflies, invasive insects that probably played a role in the fact that the vineyard produced about half as many grapes in 2025 as the previous year, according to Tremain Hatch, a co-owner and viticulturist. The Economic Impact on Vineyards Zephaniah Farm is not the only US business that has seen lanternflies suck away their revenue. Their US population has increased in recent years and affected the winemaking and forestry sectors. In New York, for example, researchers estimated that the bugs could cost wineries millions of dollars. The Data Analysis The spotted lanternflies are native to China and were first detected in the US in 2014 in Berks county, Pennsylvania. They have since spread to 19 states – with the largest infestations in the north-east – and Washington DC. The bugs suck the sap from a variety of plants, including grapevines, hops and fruit trees, and then secrete honeydew, a sugary liquid which can then facilitate the growth of sooty mould. The Impact Analysis Scientists are uncertain what the lanternfly population numbers could look like this summer and fall, but they expect them to continue to spread across the country. As such, researchers are looking for ways to protect vegetation – and the wine industry – from the bugs. “They don’t belong in our environment,” said Brian Walsh, a Penn State Extension horticulture educator who studies lanternflies. “And while you may not be having a huge impact overall on the population by killing individuals, each one that you see and encounter and kill, that is one less that you’re going to accidentally move to a new area.” The Prediction Despite the increasing US lanternfly population, Nathan Derstine, a visiting assistant professor of biology at the University of Richmond, does not expect the bugs to wreak as much havoc as, for example, the emerald ash borer, an invasive Asian beetle that has killed hundreds of millions of ash trees. “This is a recent invasion,” Derstine said. “It’s been about 12 years. That is not very long in the grand scheme of things, and so there has probably not been much adaptation or chance for any response by the natural enemies or parasitoids or things that are present here.”

Why the Guardian’s Newsletter Author Is Suddenly Dreading SpringThe author, an environment reporter, admits that longer pollen seasons are stealing the joy of walking in forests and wetlands. Climate‑driven extensions of the pollen calendar are turning a beloved season into a health hazard for many Europeans.Climate‑Driven Extension of the European Pollen SeasonA recent Lancet medical‑journal review found that the European pollen season is now 1‑2 weeks longer than in the 1990s. The start dates for birch, alder and olive trees have shifted earlier by the same margin, and U.S. research shows higher CO₂ levels boost pollen production per plant.Quantifying the Health and Economic TollTens of millions of Europeans suffer from allergic rhinitis each year.Longer exposure translates into higher medical costs and reduced workplace productivity.Projected global warming of 2.6°C by century‑end could further amplify pollen loads.How Extended Allergies Ripple Through Recreation and TourismBeyond individual discomfort, the pollen surge erodes the appeal of outdoor activities. Beach resorts choked by wildfire smoke, Alpine ski slopes losing snow, and rising insurance and travel costs are pushing the industry toward a “non‑tourism” era. The combined effect threatens both local economies and the broader cultural habit of “getting outside.”Looking Ahead: Adapting to a Pollen‑Heavy FutureExperts suggest two complementary strategies: (1) develop urban greening and low‑pollen plantings to create healthier micro‑climates, and (2) encourage people to explore nature close to home, where exposure can be managed. Without decisive climate mitigation, the pollen season will keep expanding, making seasonal enjoyment an increasingly rare luxury.

The Cosmic Vision of Nancy Holt Land artist Nancy Holt (1938-2014) was a master at using her work to place the body, and wider humanity, in a global, cosmic context. Holt and the other land artists of her generation wanted to break out of the restrictions of traditional art forms, using land, nature, and the world itself as their medium. Goodwood's Expansive Exhibition Goodwood provides a fitting setting for the biggest UK exhibition of Holt's work to date – an expansive, lush estate in the middle of the rolling West Sussex countryside. The exhibition features two major sculptural installations placed around the grounds: Ventilation System and Hydra's Head. Architectural and Cosmic Connections In Ventilation System, a huge metallic mechanism pokes out of the vegetation around the main gallery, with tubular aluminum pipes snaking through the landscape and back into the building. This installation exposes the hidden structures of our built environment, making the building's respiratory system visible and giving it a bodily quality. The Hydra's Head Installation Visitors walk through an idyllic meadow down into a gleaming white chalk quarry to find six concrete pools filled with water, arranged like the head of the Hydra constellation. These pools create a profound experience of outer space, reflecting trees, birds, the sky, and even the viewer's own face – essentially creating a portrait of the individual within the vast universe. Indoor Works and Their Limitations The gallery space contains photographs, diagrams, and poems that struggle to match the imposing power of the outdoor installations. Series of photos document waymarkers in the countryside and an English forest where Holt buried a poem for her partner Robert Smithson. Other works include light installations and documentation of her famous Sun Tunnels in the Utah desert. The Legacy of Land Art Holt's work represents a significant shift in artistic expression, moving beyond traditional mediums to engage directly with the environment and cosmic themes. Her installations challenge viewers to consider their place within the vastness of the universe, creating a dialogue between the individual and the cosmos. Future of Cosmic Land Art While this exhibition provides valuable insight into Holt's vision, there's opportunity for future shows to more fully embrace the monumental scale that defined her most powerful works. As environmental and cosmic concerns continue to gain prominence, land art that connects humanity to the universe may see renewed interest and appreciation.

The Threat to Regent HoneyeatersResearchers have discovered that brush-tailed possums are occasionally raiding the nests of critically endangered regent honeyeaters, increasing their risk of extinction. Uncovering the Impact of Possum RaidsBianca McBryde, a researcher at the University of Sydney, set up 40 artificial nests in trees at North Head in Sydney. Over two weeks, possums raided only four of the nests, but this infrequent raid could have a significant impact on the honeyeaters' prospects for survival.The Data AnalysisMcBryde's research found that the loss of just a few eggs to the opportunistic possums could increase the risk of extinction within 20 years by about 35%. The Conservation ChallengeRegent honeyeaters are one of Australia's most threatened birds, with fewer than 250 likely left in the wild, restricted to three sites on the periphery of the Blue Mountains, to the west of Sydney. The birds' woodland habitats have been largely lost to developments and farming.The Future of ConservationThe research highlights the importance of understanding the impact of possum raids on regent honeyeater populations. By studying these interactions, researchers can develop more effective conservation strategies to protect this unique Australian bird.

The Devastating Impact of Cartel-Driven Deforestation Decades ago, the children of Rochéachi village in the Sierra Tarahumara – pine-covered mountains of north-west Mexico’s Chihuahua state – would run through the forest by night. In the rainy season, they would collect fireflies whose glimmering light would flicker through the hollows of the pine trees. “We had peace. We used to walk and play and be together,” says one mother of three, who asked to remain anonymous, about the forest she once knew. “Now, children can’t go out to play. We don’t know what might happen.” The Rise of Illegal Logging and Cartel Control Since the mid-2010s, criminal groups, including factions of the Sinaloa cartel, have intensified illegal deforestation, seizing control of communal land known as ejidos through intimidation, extortion, and murder. The ecological toll has also been severe. According to the environmental organisation Water and Forests for Life, 9,000 hectares (22,400 acres) of forest in the Sierra Tarahumara have been lost to illegal logging since 2001. The Economic and Environmental Consequences Sawmills linked to the cartels falsify documents to launder timber estimated by one academic to be worth up to $270m (£200m) annually, while the US government puts the figure at $342m to $978m. Deforestation has disrupted the region’s hydrological system, causing droughts, crop failures, and food insecurity. The Human Cost and Fear Rochéachi, about 20 miles from the town of Guachochi, is home to several groups of Indigenous people, including the Rarámuri and Ódami. Along the Sierra Tarahumara’s nearly 745-mile (1,200km) length, individuals and organisations have reported a sharp rise in illegal deforestation. “Everyone is afraid,” says the woman from Rochéachi, a member of the Rarámuri Indigenous community. “I’m worried that illegal logging is destroying everything.” The Need for Effective Action Local people condemn the lack of an effective means of reporting forest-related crimes anonymously. Some claim that the groups responsible for illegal logging in the Sierra Tarahumara have informants within Mexico’s environment ministry and the office of the federal attorney for environmental protection.