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In a groundbreaking experiment conducted in Colorado's Rocky Mountain meadows, scientists heated a patch of land by 2C for 29 years. The results are alarming: the area transformed from a lush, diverse grassland into a desert-like scrubland dominated by sagebrush. This 'shrubification' process, driven by rising temperatures, threatens the very existence of alpine grasslands worldwide.The experiment, conducted at the Rocky Mountain Biological Laboratory, involved warming five plots of 30 sq meters each by 2C using electric infrared radiators. The results showed a 150% increase in shrubs in warmed plots compared to those without heating. The surface soil dried by up to 20%, and shallow-rooted plants became stressed, leading to the extinction of some wildflowers.The implications extend far beyond Colorado. Alpine grasslands, which host 50% of European flora on just 3% of land, are particularly vulnerable. As temperatures rise, these ecosystems are likely to be irrevocably changed, leading to a loss of biodiversity. The phenomenon of 'shrubification' is not limited to mountain environments; it's also observed in Arctic landscapes, where shrub cover expanded by 2.2% each decade between 1984 and 2020.Conservation ecologists warn that while shrubs and trees bring benefits like shelter and carbon sequestration, their rapid expansion in cold environments is a symptom of climate change. The speed and scale of these changes are concerning, with potential knock-on impacts on the carbon cycle and ecosystem balance.As Lara Souza, lead researcher, notes, 'It's like flowers on steroids.' However, this vision of abundance is tinged with sadness at the prospect of irreversible changes to fragile landscapes. The future of these ecosystems, and many others like them, hangs in the balance as global temperatures continue to rise.

The Gran Chaco forest in Argentina, spanning across parts of Argentina, Bolivia, Paraguay, and Brazil, is facing a critical threat from deforestation. Small farmers, enticed by the promise of quick money from selling timber, often contribute to this environmental degradation. However, a collaborative effort between conservationists, NGOs, and international organizations is underway to support small-scale landowners and Indigenous communities in establishing alternative income sources. This initiative aims to enable them to resist the pressures of agribusiness and the timber market. Jorge Luna, a 55-year-old farmer, has taken a significant step towards preserving his 40-hectare land in Chaco province. He rejected an offer to cut down the trees and instead embarked on a second career as a forest tourist guide with Fundación Rewilding Argentina, a non-profit organization working to restore parts of the Gran Chaco forest. Luna now rents out a small campsite to visitors and takes tourists on kayak tours along the Bermejito River. "At first, you didn’t give the plants value. It was a lack of knowledge of what they meant. Now, every leaf that sprouts has an added value," he says. Created in 2010 by Tompkins Conservation, Rewilding aims to protect vast tracts of territory and create economic opportunities for local communities while preserving the biosphere. The organization worked with 15 other organizations to convince the government of Chaco province to turn 128,000 hectares into the El Impenetrable national park, officially designated in 2014. Since then, Rewilding has established a network to support a budding tourism industry. It offers riverside glamping stays while promoting local and ancestral knowledge as possible sources of income. Women have returned to weaving and artisanal production, as well as providing home-cooked meals for visitors. According to Greenpeace, Argentina lost nearly 7 million hectares of native forest between 1998 and 2024, with most of it in the Gran Chaco. An estimated almost 120,000 hectares of forest were lost in northern Argentina in 2024, a 10% increase from the previous year. The primary causes of forest loss are the expansion of agriculture, mainly for intensive cattle ranching and genetically modified soya, and forest fires. The Gran Chaco forest also feeds the timber industry, particularly with the quebracho tree, which produces a tannin used in leather products, and carob trees. Environmental lawyers warn that the Gran Chaco could disappear within two decades if deforestation continues at its current pace. "The Chaco does not receive the same attention as the Amazon – few people even know it exists," says Enrique Viale, an Argentine environmental lawyer and activist. For conservation efforts to succeed, projects must be co-designed with the community, ensuring their long-term objectives are considered. Community empowerment, equal distribution of benefits, and capacity building are crucial factors. Mabel Figueroa, a local weaver, has resumed her craft since the national park opened, selling scarves, blankets, and ponchos to tourists. She raises sheep and dyes their wool with tree bark and forest plants, reviving an ancestral tradition.

Australia has reaffirmed its support for Lebanon's sovereignty and expressed opposition to any Israeli occupation of the country's southern region. Foreign Minister Penny Wong made these statements during a conversation with her Israeli counterpart, Gideon Sa'ar.The conversation comes as Israel has revealed plans to establish a 'defensive buffer' against the Iran-backed armed group Hezbollah in southern Lebanon. This move has raised concerns about the potential for occupation of Lebanese territory.Wong emphasized Australia's grave concerns about the expansion of the conflict in Lebanon, which has resulted in the loss of life and the displacement of over one million civilians. She also stressed that Australia supports Lebanon's sovereignty and does not want to see Israeli occupation of southern Lebanon.The situation in Lebanon is further complicated by Hezbollah's continued strikes on Israel. Wong and Sa'ar agreed that Hezbollah must disarm in line with previous agreements.In addition to these developments, Australia has announced an extra $5 million in aid to support civilians in Lebanon impacted by the conflict, particularly women and children.Wong also advised Australians in Lebanon to leave now if it is safe to do so, citing the deteriorating situation.

Italy and Northern Ireland are set to clash in a pivotal World Cup 2026 qualifier, with both teams eager to reassert their presence on the global football stage. For Italy, it's about regaining their footing after consecutive World Cup failures in 2018 and 2022, while Northern Ireland aims to return to the tournament for the first time in four decades.Gennaro Gattuso, Italy's coach, emphasized the significance of the match, stating, 'This is the most important game of my coaching career so far.' Italy's players, including Mateo Retegui, are equally determined, with Retegui asserting, 'Now is the time to show everyone exactly who we are.'Northern Ireland's manager, Michael O'Neill, faces challenges with a depleted squad, particularly the absence of Conor Bradley and Dan Ballard. Despite these setbacks, O'Neill remains optimistic, highlighting the team's youthful energy and lack of fear.The match, set to take place at Atalanta's Bergamo Stadium, promises to be intense. Gattuso noted Northern Ireland's direct playing style, saying, 'They typically 'toss the ball into the box' and thrive on latching on to second balls.' A win for Italy would likely seal their spot in the World Cup, while a loss could spell the end of O'Neill's tenure as Northern Ireland's manager.As both teams prepare for the crucial encounter, the pressure is palpable. Italy's four-time World Cup wins and football-crazed nation add to the weight of expectation. Will Italy overcome their recent struggles and secure a spot in the 2026 World Cup, or will Northern Ireland pull off a surprise?

The traditional cold war diplomacy of brinkmanship, characterized by carefully balanced standoffs and rules-based international order, has given way to a world in freefall. This shift is exemplified by the ever-widening conflict in the Gulf where strategic objectives remain as unclear as the potential endpoint of hostilities.Approaching a month since the United States and Israel launched attacks on Iran, the stated objectives of removing the country's nuclear threat and destroying its ballistic missile capability appear increasingly disconnected from the disproportionate impact on civilians and neighboring Gulf nations. Despite these consequences, the Iranian regime's willingness to escalate the conflict shows no signs of diminishing.The Guardian Weekly's coverage examines this critical juncture through multiple perspectives. Patrick Wintour recounts the pivotal week when global tensions reached a tipping point, while Richard Partington analyzes the long-term economic implications of a prolonged conflict, from oil price fluctuations to inflationary pressures and economic growth impacts. From South Lebanon, William Christou reports on healthcare professionals caught in the crossfire of Israeli airstrikes, highlighting the human cost of the escalating violence.Emma Graham-Harrison provides insight from Jerusalem, examining Israeli Prime Minister Benjamin Netanyahu's strategy of attempting to rehabilitate his image through what he frames as destruction of an 'axis of evil.' Meanwhile, Simon Tisdall poses a critical question: when US President Donald Trump eventually seeks to halt the conflict, will any parties be willing to heed his calls for de-escalation?Beyond the primary geopolitical focus, this week's Guardian Weekly edition explores several significant developments across different sectors. The UK political landscape features an examination of the upcoming local elections, where voter sentiment appears increasingly focused on rejecting established parties rather than actively supporting alternatives. The scientific section explores innovative approaches to addressing snoring disorders through CPAP machines, while the culture section features an in-depth interview with Dave Grohl discussing Foo Fighters, personal challenges, and grief following the loss of bandmate Taylor Hawkins.In sports, the publication celebrates the remarkable achievement of British athletes Keely Hodgkinson, Georgia Hunter Bell, and Molly Caudery, who each secured gold medals at the world indoor athletics championships in Poland, showcasing British excellence in track and field events.

The modern cricket calendar has been likened to a game of Tetris that has gone awry, with players facing an intense schedule that leaves little room for recovery or emotional processing. This has significant implications for their mental wellbeing and performance. Elite cricketers, such as New Zealand's Mitchell Santner, are expected to bounce back quickly from defeats, often playing matches just days apart. Santner's team, the Black Caps, suffered a 96-run loss to India in the T20 World Cup final on March 8, and Santner was back in action just seven days later against South Africa. Mental skills coach Maurice Duffy notes that recovery from emotional trauma can take weeks or months, but cricketers are often given only days to process their emotions. Duffy emphasizes the importance of balance and 'reset' for players to maintain their performance and mental health. The issue is not just the volume of cricket, but also the emotional demands of the game. Players are expected to process failure, challenge, and disappointment quickly and then perform at a high level. This can lead to burnout, which is not just about playing too much cricket, but also about playing without meaning. The Indian Premier League (IPL) is set to start just three weeks after the T20 World Cup, which is a relatively generous turnaround compared to previous years. The IPL's rapid start highlights the packed schedule and the challenges it poses for player wellbeing and fan engagement. Experts argue that the constant grind of the modern calendar takes a toll on players and fans alike. With so many matches and competitions, it can be difficult for fans to keep up and invest in bilateral series that often seem inconsequential. Ultimately, finding a balance between competition and recovery is crucial. As Duffy points out, athletes need to find their 'why' – their purpose and motivation – to maintain their effort and engagement in the face of a demanding schedule.

Legendary footballer John Toshack, known for his illustrious career with Liverpool FC and the Wales national team, has been diagnosed with dementia, according to his son Cameron. Toshack, 77, enjoyed a celebrated playing career with Liverpool from 1970 to 1978, scoring over 100 goals and securing nine major trophies, including three league titles, two UEFA Cups, an FA Cup, and a European Cup. He also earned 40 caps for Wales. After retiring as a player, Toshack transitioned into management, leading Swansea City from the fourth division to the top tier and later managing prestigious clubs such as Real Sociedad, Real Madrid, and his national team, Wales. Notably, he won La Liga with Real Madrid in 1990, scoring a record 107 goals that season. Cameron Toshack shared that his father's condition varies, with short-term memory loss being a significant challenge. However, he added that John Toshack's long-term memory remains sharp, particularly when recalling his football career. For instance, he can vividly recall details about specific matches and tactical decisions from his time at Real Madrid. Toshack's legacy in football extends beyond his playing and managerial career. As Wales manager during his second tenure from 2004 to 2010, he gave debuts to future stars like Aaron Ramsey and Gareth Bale, who played crucial roles in Wales' success, including their semi-final appearance in Euro 2016.

The global food system is facing an unprecedented threat of collapse, much like the financial system did in 2008. The concentration of power in the hands of a few large corporations has led to a loss of diversity, redundancy, and modularity, making the system highly vulnerable to shocks.Recent data suggests that every part of this system is now highly concentrated in the hands of a few corporations, which have been consolidating both vertically and horizontally. One recent study found that the US food system has “consolidated nearly twice as much as the overall economic system”. Some of these corporations, diversifying into financial products, now look more like banks than commodity traders, but without the same level of regulation.These vulnerabilities are exacerbated by the use of just-in-time supply chains and the funnelling of much of the world’s trade through a number of chokepoints. Some people have long warned that the strait of Hormuz, alongside the Suez canal, Turkish straits, Panama canal and straits of Malacca, are critical chokepoints, whose obstruction would threaten the flow of food, fertiliser, fuel and other crucial agricultural commodities.When a system has lost its resilience, it’s hard to predict just how and when it could go down. The collapse of one corporation? The simultaneous closure of two or more chokepoints? A major IT outage? A severe climate event coinciding with a geopolitical crisis? The next step could be contagious bankruptcy and cascading failure across sectors.We know what needs to happen: break up the big corporations; bring the system under proper regulatory control; diversify our diets and their means of production; reduce our dependence on a handful of major exporting countries; build strategic food reserves, accessible to people everywhere. But there’s a problem, and it’s not just Trump. Almost all governments are beholden to corporate and financial power.The best we can hope for is that braver politicians in our own countries seek to insulate us from the worst impacts. A crucial step is to encourage a shift to a plant-based diet. People struggle to see the relevance, but it’s simple. A plant-based diet requires far fewer resources, including just a quarter of the land a standard western diet requires and much less fertiliser and other inputs.

A newly launched green thinktank, Verdant, proposes that a 'Doge of the left' could save UK taxpayers up to £30bn annually by rooting out waste, fraud, and tax avoidance. This initiative is part of a broader effort to influence the future manifesto of the Green Party, led by Zack Polanski.The thinktank, co-chaired by James Meadway, a former adviser to Labour shadow chancellor John McDonnell, and civil society campaigner Deborah Doane, argues that a crackdown on waste could free up significant resources. This approach differs from the ideologically driven methods of Elon Musk's former Department of Government Efficiency in the US.Meadway emphasized that the political right has monopolized discussions about savings in government spending, leading to disastrous effects. He stated that a 'Doge of the left' would focus on eliminating tax avoiders, profiteers, and fraudsters, ultimately delivering high-quality public services.The report suggests several measures, including:Appointing a 'chief savings officer' to identify waste and fraud.Granting the National Audit Office the power to halt overspending projects.Opening public procurement to more transparent competition.Establishing an internal consultancy function to reduce reliance on costly private consultants.The proposed £30bn in savings is largely based on independent estimates of annual losses due to fraud, waste, under-collection of tax, and lack of competition in procurement. Additionally, Verdant recommends scrapping £3.6bn in tax reliefs and government support for oil and gas producers.Polanski's economic policy speech last week highlighted sweeping changes, including rent caps and a new wealth tax. He also emphasized the importance of protecting consumers from rising energy prices and expressed skepticism about using GDP as a measure of economic performance.