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Cuba is on the brink of transforming its energy landscape with a bold plan to invest $8bn in renewable energy, which could reduce its reliance on fossil fuels and pave the way for energy independence from the US. The proposal, put forth by the Common Wealth thinktank's Transition Security Project (TSP), suggests that this investment could cover 93.4% of Cuba's electricity generation needs.The US has imposed a crippling energy blockade on Cuba, severely limiting the island nation's access to oil. Since January, Cuba has received only one shipment of oil, from Russia, and its national electric grid has collapsed, leading to repeated blackouts and widespread disruptions.The TSP analysis outlines four different scenarios for Cuba's transition to renewable energy, with costs ranging from $5bn to $19.2bn. The most ambitious proposal would see three-quarters of electricity generation provided by solar power, with wind, hydropower, and bioenergy making up the remainder.The report argues that electricity costs would decrease in every renewable investment scenario, with the cost per unit of energy falling from 14.3¢ per kWh in the baseline scenario to 6.5¢ with $8bn of investment. The transition would require a society-wide transformation, but Cuba has demonstrated its ability to adapt in the past, such as its rapid shift to agroecology and self-sufficiency in the 1990s.The question remains: who would pay for this transition? The report suggests that financing should be understood as "reparative climate finance", with Cubans able to pay back investments through savings on cheaper energy. The transformation would not only benefit Cuba but also set an important example of a rapid energy transition under conditions of external constraint.

Atletico Madrid has sent 10-man Barcelona crashing out of the Champions League, securing a spot in the semifinals with a 3-2 aggregate victory despite a 2-1 quarterfinal second leg defeat.Lamine Yamal and Ferran Torres fired visitors Barca ahead inside 24 minutes on Tuesday, but Ademola Lookman's strike gave Atletico the edge in the gripping all-Spanish tie once again after their 2-0 win in the first leg.Diego Simeone's side returned to the semifinals for the first time since 2017 by holding on against the La Liga champions in a compelling and bloody battle. Barcelona ended the game with 10 men as Eric Garcia was sent off for bringing down Alexander Sorloth as he ran in on goal, hampering their chance of finding a third goal to force extra time.Atletico, who have never won the competition and lost the 2014 and 2016 finals with Simeone at the helm, will face Arsenal or Sporting Lisbon in the semifinals.Barcelona coach Hansi Flick benched forwards Marcus Rashford and Robert Lewandowski for workhorses Torres and Gavi, looking to press Atletico relentlessly in the sixth match between these sides this season.Lamine Yamal fired the visitors ahead after just four minutes when he harried Clement Lenglet into giving the ball away. Torres nudged it back to Yamal, who slipped a low shot through Musso's legs to hush the home fans and ignite Barca's attempted comeback bid.Barcelona doubled their lead in the 24th minute to level the tie on aggregate when Torres left Lenglet trailing, reached Olmo's pass and fired across Musso into the top corner.Atletico pulled their way back into the game in the 31st minute after Barca switched off defensively for the first time. Marcos Llorente charged down the right behind the Catalans' high defensive line and crossed for Lookman to convert.The game spun away from Barca when Eric Garcia was sent off for clipping Sorloth's heels as he ran through on goal, similar to Pau Cubarsi's red card in the first leg.Flick threw centre-back Ronald Araujo up front for the final stages, but there was no way back, and Atletico gritted their teeth through eight minutes of stoppage time before the celebrations could begin.

Nelson Mandela once claimed sport could spark hope where despair prevailed – a sentiment that now feels overly optimistic as climate change threatens every arena, from football pitches to alpine slopes.Extreme weather events are already cancelling competitions and rendering venues unplayable through floods, wildfires and storms. Rising heat and air‑pollution expose athletes to heat‑related illnesses, asthma and cardiovascular strain, while also increasing injury risk and diminishing performance for officials and spectators alike.Countries most vulnerable to climate impacts face the harshest sporting challenges. As Barbados Prime Minister Mia Mottley warned, athletes must compete on the conditions that exist, not on idealised pitches, while wealthier nations and governing bodies often look the other way.Historian David Goldblatt estimates sport’s carbon footprint rivals that of a small‑ to medium‑sized nation – roughly the emissions of Cuba to Poland. Yet the industry continues to chase growth, attracting sponsorship from fossil‑fuel giants and even entities reminiscent of the tobacco era.A 2024 “Dirty Money” report by the New Weather Institute revealed that state‑owned and private fossil‑fuel companies have poured at least $5.6 billion (£4.2 billion) into global sport across 205 active deals. The recent Milan‑Cortina Winter Olympics relied on oil major Eni to fund artificial snow, while the upcoming men’s football World Cup – labelled the “most polluting ever” by Scientists for Global Responsibility – will be plastered with ads from Aramco, the world’s largest corporate greenhouse‑gas emitter, with emissions projected to be 92 % higher than typical tournaments between 2010‑2022.Fans and grassroots organisations are pushing back. Groups such as Surfers Against Sewage, Fossil Free Football, FrontRunners and Protect Our Winters are mobilising, while clubs like Forest Green Rovers and athletes such as Australian cricket captain Pat Cummins are publicly denouncing fossil‑fuel ties.Alternative sponsorships are emerging: Northern Rail backs the Rugby Super League, Metrobank partners with cricket, and Oxford United’s limited‑edition shirt celebrates John Ruskin’s “Study of a Wild Rose,” linking sport to environmental heritage.“The Hotspot” aims to surface the most compelling stories, analyse data, and chart a path forward for sport in a warming world. As the planet races toward a climatic finish line, sport must deliver its own last‑second victory.This excerpt is from the inaugural issue of The Hotspot newsletter. To subscribe, visit this page and follow the instructions.

Match details: Atletico Madrid will meet Barcelona on Tuesday at 21:00 CET (19:00 GMT) in the Metropolitano Stadium for the Champions League quarter‑final second leg. The fixture decides which side advances to the semi‑finals. After a 2‑0 first‑leg triumph at Camp Nou, Atletico enter the tie as favourites despite trailing Barcelona in the La Liga table. Their advantage stems from goals by Julian Alvarez and Alexander Sörloth, who capitalised on a red card for Barcelona defender Pau Cubarsi. Barcelona, the reigning Spanish champions, are desperate to overturn the deficit. They bolstered their domestic campaign with a 4‑1 win over Espanyol, extending their lead over Real Madrid to nine points. Ferran Torres netted a brace, assisted by teenage prodigy Lamine Yamal, while Marcus Rashford added the fourth. Atletico’s weekend league performance was less convincing, suffering a 2‑1 loss to Sevilla after heavy rotation by Diego Simeone. The loss left them fourth in La Liga with 57 points, four behind Villarreal. Historical context: The two clubs have met 251 times, with Barcelona winning 115 matches, Atletico 79 and 57 draws. Their recent knockout encounters include Atletico’s victories in the 2014 and 2016 quarter‑finals, both decided over two legs. Team news: Atletico will miss Marc Pubill (suspension) and have Jose Giménez, Pablo Barrios and David Hancko listed as doubtful. Barcelona’s defender Pau Cubarsi is suspended, replaced by Ronald Araujo. Injuries rule out Marc Bernal, Raphinha and Andreas Christensen. Predicted line‑ups: Atletico – Musso; Molina, Le Normand, Lenglet, Ruggeri; Llorente, Koke; Simeone, Griezmann, Lookman; Alvarez.Barcelona – Joan Garcia; Koundé, Araujo, Martín, Cancelo; Eric Garcia, Pedri; Yamal, Fermin, Rashford; Lewandowski. Managerial insights: Simeone stressed the need to stay focused on the objective of advancing, while Barcelona coach Hansi Flick highlighted the quality of his squad and the importance of collective effort. With a slim margin separating the sides, the second leg promises a tactical battle that could see either club secure a coveted place in the Champions League semi‑finals.

Lake Erie, a vital source of freshwater for millions of people, has faced significant pollution challenges for decades. In the 1960s, the lakes and rivers around Cleveland were so polluted that they frequently caught on fire. While water quality has improved since then, the lake still struggles with poor water quality due to chemical runoff and pollution. The 2025 State of the Great Lakes report found that Lake Erie ranks poorly for pollution caused by chemical runoff and is consistently one of the top five most polluted lakes in the US. Over 5.5 billion gallons of freshwater are drawn from the lake daily to meet industrial and consumer needs, highlighting the importance of addressing these pollution issues. In response, the Cleveland Water Alliance, a non-profit organization, is working with over 300 companies, research institutions, and government agencies to develop clean water solutions for Lake Erie. The alliance has deployed hundreds of sensor buoys across the western section of the lake to observe and detect various water-related factors, including E. coli, algal blooms, and turbidity levels. Researchers at Case Western Reserve University have incubated research for a pilot program technology that can capture 90% of microplastics down to 50 microns in washing machines, preventing these materials from entering the lake. Other projects are recording solar radiation, dissolved oxygen levels, and water and air temperatures. Korean companies have also come to the area to test electrochemical water treatment methods in Lake Erie's water. The alliance's efforts aim to position Lake Erie as an open-air research facility, driving innovation and solutions to address the lake's pollution challenges. Despite these efforts, environmentalists say the challenges to cleaning up the lake are huge. A 40% reduction in phosphorus is needed to minimize blooms, with about 90% of phosphorus entering the western Lake Erie basin coming from agricultural runoff. The manure problem is also a growing concern, with the increasing number of livestock operations in the area contributing to pollution. The Cleveland Water Alliance's initiatives, such as the development of a system for making commercial-grade sodium hypochlorite on site, aim to promote technologies for wintertime monitoring of aquatic life activity and behavioral changes as well as levels of water turbidity. By leveraging data and innovation, stakeholders hope to improve the lake's water quality and mitigate the impacts of pollution.

The new academic term began in Gaza in late March, but the usual bustle of students catching buses to campus has been replaced by the stark reality of displacement.Israel’s relentless campaign has turned most university buildings into rubble and shelters, forcing a shift to online learning that many students in tents cannot access due to lack of electricity, water, food and reliable internet.Against this backdrop, a glimmer of hope has emerged. In the overcrowded al‑Mawasi district of Khan Younis, the US‑based NGO Scholars Without Borders has erected a makeshift “University City,” a wooden and metal structure designed to bring students back into a real lecture hall."Our mission is to bring education closer to students in a better environment," said Hamza Abu Daqqa, the organisation’s Gaza representative.The facility houses six halls that can accommodate up to 600 students each day. Powered by solar panels, it offers internet access, improvised green spaces and even a small business incubator to help students explore entrepreneurial ideas.University City operates on a rotating weekly schedule, allocating each day to a different institution so that multiple universities can share the limited space. Priority is given to courses that require hands‑on instruction, such as practical labs and discussion‑based classes.Prominent Gaza institutions—including the Islamic University, Al‑Azhar University and the Palestine College of Nursing—have already begun using the site.For many students, this is the first time in years they have set foot in a space that feels like a real university. "When I saw this place, I was amazed," said 20‑year‑old nursing student Mariam Nasr, who fled Rafah and now travels four kilometres on foot to attend classes.Another first‑year student, Amr Muhammad, echoed the sentiment: "Being here with other students, discussing and engaging in class makes a huge difference."The broader picture remains grim. UN experts have labeled Israel’s systematic targeting of Gaza’s academic sector as “scholasticide.” More than 7,000 university students and staff have been killed or injured, and over 60 university buildings have been completely demolished, according to the Euro‑Med Human Rights Monitor.Materials for University City were sourced entirely within Gaza, a testament to the community’s resilience amid soaring costs and scarce resources. Yet the initiative is hampered by the same blockade that restricts reconstruction supplies, fuel and safe transport.Students still face daily hurdles: damaged roads, limited cash, and unreliable transport—often relying on worn‑out vehicles, donkey carts or long walks. "My father could only give me eight shekels (about $2.64) for a ride," Mariam explained, highlighting the economic strain.Even once inside the halls, challenges persist. Power outages and unstable internet make it difficult to print materials or follow online lectures, forcing many to rely on old phones and intermittent connections.Nevertheless, the atmosphere inside University City is one of determination. "For medical education, in‑person learning is essential," said Dr Essam Mughari of the Palestine College of Nursing. "Seeing students gather again restores something vital."For students like Mariam, the drive to continue studying is deeply personal. "My cousin, a nurse, was killed when an airstrike destroyed her family’s house. I study to heal others and honor her memory," she said.While University City now serves hundreds daily, thousands of Gaza’s students remain without comparable facilities. Abu Daqqa stresses that the project is only the beginning: "We have built dozens of makeshift schools, but the need is far greater. Imagine what could be done if the needed resources were allowed through."

The Caribbean and Latin America are facing a critical moment in their relationship with Cuba, as they succumb to US pressure to expel Cuban doctors. These medical professionals have been a lifeline for many in the region, providing essential healthcare services, particularly in rural and underserved areas. Cuban doctors have been a cornerstone of healthcare in the Caribbean and Latin America, with programs dating back 50 years. However, under pressure from the US, countries such as Guatemala, Honduras, Jamaica, the Bahamas, Antigua and Barbuda, Guyana, and St Vincent and the Grenadines have terminated these agreements. Only St Kitts and Nevis and Trinidad and Tobago have yet to follow. The US has branded these programs "forced labor" and "human trafficking" because the Cuban state retains a share of salaries. However, this ignores the fact that Cuban doctors are trained free of charge by the Cuban government, unlike their counterparts in countries like the UK, who often graduate with significant student debt. The consequences of expelling Cuban doctors are severe. Millions could lose basic healthcare, with Indigenous communities particularly exposed. The region's healthcare systems, already fragile, are being strained, and the poorest will pay the price in untreated illnesses, unattended births, and undiagnosed cancers. Cuba has built a global medical network of more than 50,000 professionals working across dozens of countries, generating billions in foreign revenue and sustaining its economy under embargo. However, US pressure is disrupting this model, and Cuban medical personnel are being withdrawn, cutting off one of the island's few reliable sources of income. The Caribbean and Latin America are complicit in this economic warfare against Cuba. Sanctions restrict trade, finance, fuel, and medicine, shrinking economies, deepening poverty, and punishing citizens rather than governments. In Cuba, the effects are stark: blackouts, shortages, and collapsing productivity. A notable exception is Barbados, whose Prime Minister Mia Mottley has defended Cuba's medical missions and rejected the insinuation of "trafficking." She has made it clear that Barbados will stand by what is right, even at the cost of US punishments, highlighting that sovereignty is not merely constitutional but also moral.

Congresswoman Yassamin Ansari – an Iranian‑American representative from Arizona – publicly labeled President Donald Trump an “evil human being” who aspires to be an emperor, and urged that he be removed from office in light of the escalating war with Iran. Ansari, whose parents fled the Iranian regime in the 1970s, issued a statement after Trump’s threat to annihilate Iran’s civilization was followed by a tentative two‑week cease‑fire. She expressed relief for the 90 million Iranians who had spent a harrowing day fearing a nuclear catastrophe. In a phone interview, the 34‑year‑old lawmaker described Trump as “mentally unstable, deeply troubled, and solely self‑interested,” adding that his policies have stripped basic services from average Americans while enriching his family. Ansari warned that Trump’s rhetoric – promising an “America first” stance yet launching strikes on seven nations – constitutes a clear danger to both Iran and the United States, and she called for the cabinet or Congress to intervene under the 25th Amendment. She cited a series of controversial foreign‑policy moves, including the alleged illegal kidnapping of Venezuelan leader Nicolás Maduro, threats to seize Greenland, erosion of NATO credibility, and talk of taking over Cuba. In Iran, she argued, the administration has already committed war crimes by targeting schools, bridges and hospitals. Ansari also highlighted the broader humanitarian fallout: destroyed civilian infrastructure, a collapsing economy, soaring food‑security risks, and mass starvation. She relayed a conversation with a young Iranian doctor who described doubled prices and a dire economic outlook, urging the U.S. to cease attacks on civilian targets. Beyond Trump, the congresswoman announced plans to introduce articles of impeachment against Defense Secretary Pete Hegseth, accusing him of repeatedly violating his oath by facilitating war‑crimes. She criticized Vice‑President JD Vance for not mobilising the cabinet to remove Trump, and warned that the current crisis represents a “five‑alarm‑fire moment” unprecedented in modern American history. Ansari’s remarks come amid a shifting Iranian diaspora sentiment. While some Iranian‑American groups initially celebrated the war’s onset, many now view the U.S. and Israeli bombing campaigns as counter‑productive, fearing they bolster the hard‑line regime. Following the death of Supreme Leader Ayatollah Ali Khamenei, the regime’s grip appears tighter, with his son Mojtaba Khamenei assuming leadership. Ansari stressed that the Islamic Revolutionary Guard Corps remains entrenched, and that the regime continues to exploit civilian suffering for propaganda. She concluded by urging Americans to recognise Iran’s rich cultural heritage and to reject the notion that bombing will liberate its people, emphasizing that the United States must avoid actions that only strengthen an authoritarian government.

Atletico Madrid stunned Barcelona 2-0 in their Champions League quarterfinal first-leg match, with Julian Alvarez and Alexander Sorloth scoring crucial goals at Camp Nou on Wednesday.The La Liga leaders dominated the game after Pau Cubarsi was sent off for bringing down Atletico's Giuliano Simeone, who was through on goal. Alvarez whipped home a free kick, and Sorloth doubled their advantage with 20 minutes remaining, giving Atletico a strong chance of reaching the semifinals.Diego Simeone's side, who have never won the competition, reached the 2014 and 2016 finals but were beaten by rivals Real Madrid on both occasions. Barca, semifinalists last season, need a huge comeback next Tuesday in Madrid to stand a chance of lifting the trophy they last won in 2015.Barcelona started well, with Marcus Rashford, on loan from Manchester United, their main threat down the left. However, Atletico's defense held strong, and they capitalized on Cubarsi's red card to secure the win.Atletico knocked Barca out of the Copa del Rey in the semifinals in March, and this was the second of three meetings between the sides in a space of two weeks. The win gives Atletico a significant advantage ahead of the second leg next Tuesday.