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Venice, a city renowned for its rich history and cultural heritage, is facing an unprecedented threat from rising sea levels. The Mose flood defence system, which was launched in 2020, has saved the city from potential flooding 154 times. However, despite its success, the city authorities are already seeking a plan B due to the accelerating sea level rise.The Mose system, which stands for modulo sperimentale elettromeccanico (experimental electromechanic module), was designed to protect Venice from frequent acque alte (high waters) caused by storm surges. The system consists of massive, luridly coloured flood barriers sunk into the seabed at three inlets between the lagoon and the Adriatic. The barriers have been effective in preventing flooding, but their frequent use is damaging the lagoon's ecosystem.Rising sea levels due to the climate crisis mean engineers are forced to raise the flood barriers more frequently, which encourages an excess growth of algae. When the algae die, they decompose, sucking out all the oxygen in the water and killing off fish and other marine flora. The tides create a natural exchange of water and sediment between the Venice lagoon and the Adriatic, but the raised flood barriers block the flow of water, leading to a deterioration of the lagoon's ecosystem.Andrea Rinaldo, the head of the scientific committee of the newly appointed Lagoon Authority, warns that an estimated extra metre of sea level rise by the end of the century represents a 'death knell for the city'. He stresses that immediate action is necessary to prevent the city's destruction. 'You won't have a lagoon. You won't have a city. And all of this could happen in a timeframe that is comparable with the time that we had to design and build the Mose.'The city authorities are exploring alternative solutions, including redirecting Venice's economy away from its reliance on tourism, which is a major threat to the city. Rinaldo plans to put out a global call for ideas from leading thinkers across various disciplines to devise a proposal for the city's future.

Marine expert Richard Land leads a 2026 effort to release more than 15 million juvenile oysters into the North Sea off Orkney, aiming to rebuild historic beds and spark a trophic cascade of climate and ecological benefits.The project, backed by the Green Britain Foundation, the Nature Restoration Fund, Marine Fund Scotland and North Bay Innovations, employs a novel on‑shore rearing technique that cultivates oysters on calcium‑carbonate‑enriched plates before deploying them on long lines at sea.According to Richard Land, the initiative will not only aid fish stocks but also support sea mammals, seabirds and the broader marine environment. He describes the scheme as a blueprint for wider oyster reintroduction across the UK and European waters.Historical oyster beds once covered areas the size of Wales in the North Sea. Over‑exploitation during the Industrial Revolution—Londoners alone ate an estimated 700 million oysters between 1840‑1850—combined with pollution, climate change and habitat removal, led to a “negative cascade” that devastated marine ecosystems.Researchers estimate the new 100‑hectare (247‑acre) reef could sequester up to 76 tonnes of CO₂ annually. Project backer Dale Vince notes that once natural spawning is re‑established, carbon capture could exceed this figure by over 1,000‑fold after about 15 years.Alistair Carmichael, Liberal Democrat MP for Orkney and Shetland, welcomed the plan, highlighting its dual promise of wildlife recovery and carbon sequestration. Philine Zu Ermgassen of the University of Edinburgh stressed that hatchery innovations are essential to produce sufficient local‑genetic stock for successful restoration.By re‑introducing native oysters, the scheme aims to create complex reefs that host scallops, molluscs, algae, seaweeds and numerous invertebrates, thereby revitalising marine biodiversity while contributing to climate mitigation.

The recent stranding of a humpback whale off the German coast has brought attention to the critical state of our oceans and the creatures that inhabit them. The whale, entangled in ropes and unable to feed, has been struggling to survive in the shallow Baltic Sea.The incident serves as a stark reminder of the consequences of human actions on marine life. Whales are facing numerous threats, including fatal collisions with ships, entanglement in fishing gear, and habitat disruption due to climate change and pollution.The warming and acidifying seas are reducing the feeding zones for whales, while chemical pollution affects their fertility and immunity. The constant noise from human activities, such as industrial and recreational pursuits, also disrupts their cultural lives.Hundreds of whales perish each year at sea, often out of sight of the public. They die from various causes, including ship strikes, entanglement, and starvation. The German whale's demise is a tragic example of the ongoing struggle between humans and these majestic creatures.The incident has sparked public outcry and renewed calls for action to protect marine life. The International Whaling Commission has emphasized the need for palliative care and humane treatment of stranded whales, highlighting the importance of compassion and responsible action in the face of such tragedies.As we continue to impact the oceans and its inhabitants, the stranding of this whale serves as a powerful symbol of our collective responsibility to protect the marine ecosystem. It is a reminder that our actions have consequences and that we must work towards a more sustainable coexistence with the natural world.

From my home in Hawai‘i, the reef is more than a backdrop—it feeds families, shields shorelines, and anchors our culture. Today that vital connection is under unprecedented threat. Scientists report the most extensive coral‑bleaching episode ever recorded, persisting for 33 months into 2025. At a projected 1.5 °C rise in global temperatures, the IPCC warns that up to 90% of the world’s coral reefs could disappear. That temperature threshold is not a distant projection; it is looming now. Even if climate targets are eventually met, reefs continue to be battered by plastic waste, coastal development, agricultural runoff, and overfishing. Their degradation weakens natural storm barriers, leaving coastal communities more vulnerable to floods and erosion, jeopardising homes, jobs, and cultural heritage. In Hawai‘i we speak of kuleana—a generational duty to protect what sustains us. That principle must expand to every person on the planet: caring for reefs is caring for ourselves. On the ground, communities in French Polynesia have shown that, when equipped with the right tools, they can actively restore damaged reefs. Likewise, my collaboration with the Global Fund for Coral Reefs and the UN Environment Programme demonstrates how targeted financing can create sustainable livelihoods, boost marine conservation, and help coastal societies rebound after extreme weather. Time, however, is not on our side. The next twelve months could become a defining turning point for coral ecosystems. New scientific findings and a series of high‑profile gatherings—including the Kenya Ocean Conference, the International Coral Reef Symposium in New Zealand, and the upcoming Global Coral Reef Summit—will focus world attention on reef survival. The responsibility now lies with governments, businesses, and individuals alike. Proven actions include: cutting carbon footprints, eliminating plastic leakage, protecting keystone species, supporting reef‑positive enterprises, investing in resilient coastal economies, enacting protective legislation, and amplifying public advocacy. Moments like 2026 are not just about pledges; they are about swift, measurable change. Coral reefs cannot wait for perfect plans—they need us to act now, embodying the spirit of kuleana for the sake of our children and the ocean that sustains us. Jason Momoa is an actor, filmmaker, and UNEP Advocate for Life Below Water, dedicated to protecting oceans and raising global awareness of coral‑reef conservation.

Modern combat has been reshaped by the Russia‑Ukraine war, the Gaza clashes, India‑Pakistan skirmishes and the recent US‑Israel strikes on Iran, driving an unprecedented global appetite for drones, missiles and sophisticated air‑defence systems. Turkey, a leading military power in the Middle East, is positioning itself as a key supplier in this booming market. At the heart of Turkey’s push is Roketsan, a firm founded in 1988 to equip the Turkish Armed Forces. Today the company exports to roughly 50 nations and is counted among the fastest‑growing defence enterprises worldwide. Bypassing Western embargoes has been a catalyst for this growth. After the United States imposed CAATSA sanctions in 2020 and removed Turkey from the F‑35 programme, Ankara was forced to develop an indigenous defence ecosystem. The result is a network of nearly 4,000 small and medium‑sized enterprises that now supplies over 90 % of the components used in Turkish weapons. Financially, the strategy is paying off. In 2025 Turkish defence exports reached $10 billion. Roketsan’s General Manager Murat Ikinci told Al Jazeera the firm sits at 71st place among global defence firms and is targeting a climb into the top 50, then top 20, and ultimately the top 10 by the end of the decade. To fuel this ambition, President Recep Tayyip Erdoğan inaugurated a suite of new facilities last week, including: Europe’s largest warhead production plant. A new R&D centre employing 1,000 engineers. The “Kirikkale” complex dedicated to rocket‑fuel research. Infrastructure for mass‑producing ballistic and cruise missiles. The construction represents a $1 billion outlay, with an additional $2 billion earmarked for scaling up production capacity. Roketsan’s R&D engine—the third‑largest in Turkey with 3,200 engineers—draws heavily on lessons from ongoing wars. The Ukraine conflict highlighted the effectiveness of cheap FPV and AI‑guided kamikaze drones, prompting Roketsan to field systems such as the ALKA and BURC air‑defences and the laser‑guided CIRIT missile. Recent US‑Israel operations against Iran have underscored the threat posed by low‑cost Iranian‑designed Shahed drones, now upgraded with Russian “Kometa‑B” anti‑jamming modules. These swarms have overwhelmed regional defences and even struck a British base in Cyprus in March 2026, while NATO intercepted three Iranian ballistic missiles that entered Turkish airspace. In response, Roketsan is advancing the “Tayfun” (Typhoon) missile family. The flagship Tayfun Block 4 is a hypersonic ballistic missile designed to pierce advanced air‑defence layers at extreme speeds. When pressed for specifics, Ikinci declined to disclose the exact range, noting only that it is “sufficient.” Strategically, Turkey is shifting away from Western dependence toward an “Eastern” partnership model. Roketsan now offers joint production and technology‑development agreements, establishing co‑located facilities and R&D centres across the Middle East, Far East and Europe. Qatar has been cited as a flagship example of this collaborative approach. Roketsan has identified five priority product lines to meet rising global demand: Long‑range ballistic and cruise missiles. Advanced air‑defence systems, including “Steel Dome”, Hisar‑A, Hisar‑O and Siper. Submarine‑launched cruise missiles leveraging the AKYA system. Smart micro‑munitions for armed drones. Long‑range air‑to‑air missiles, a capability highlighted by the recent India‑Pakistan clash. The timing is critical. Ongoing conflicts have depleted the stockpiles of high‑end air‑defence assets worldwide. During the US‑Israel‑Iran confrontation, the United States relied heavily on Patriot and THAAD systems, raising concerns that interceptor inventories could run low. Gulf states, which have logged over 1,000 drone sightings in their airspace, are actively seeking alternative solutions—an opening that Turkey’s self‑sufficient supply chain is poised to fill. Analysts warn that even major powers like the United States will need years to rebuild their air‑defence inventories due to the complexity of production. Turkey’s claim of near‑complete domestic manufacturing positions it as a ready supplier for nations eager to diversify away from traditional Western sources. As demand for missiles and drones surges, Roketsan is reinvesting its revenues into expanding production infrastructure, aiming to cement its place among the world’s elite defence exporters.

U.S. Defense Secretary Pete Hegseth told reporters on Thursday that Iran’s energy infrastructure is "not destroyed yet," but the United States is "locked and loaded" to finish the job. Speaking from the Pentagon podium, Hegseth framed the press corps as the modern equivalent of the Pharisees who plotted against Jesus, suggesting that media criticism was driven by hostility rather than facts.The remarks coincided with the launch of a naval blockade of Iranian ports that began earlier this week. Hegseth urged Tehran to accept a nuclear agreement, warning that refusal would bring further attacks on the country’s remaining power‑generation and energy facilities."We are reloading with more power than ever before, and with better intelligence," Hegseth said, emphasizing the United States’ enhanced surveillance capabilities.He added that Iran’s missile launchers are dwindling and cannot be replenished: "You are digging out your remaining launchers and missiles with no ability to replace them. You can dig out for now. Can’t reconstitute, but we can."Offering a stark choice, Hegseth said, "We prefer to do it the nice way, through a deal led by our great vice‑president and negotiating team, or we can do it the hard way." He also pledged that the War Department would ensure Iran never acquires a nuclear weapon.Gen. Dan Caine, chair of the Joint Chiefs of Staff, confirmed that the blockade applies to all ships, regardless of nationality, and has been in effect for more than 24 hours. Over 10,000 sailors, marines and aircrew are enforcing the restriction. Since its inception, the U.S. Navy has transmitted a "do not attempt to breach the blockade" warning to vessels 13 times, with none of the ships boarded.During his address, Hegseth invoked a biblical sermon, likening the press to the Pharisees who, according to the Gospel of Mark, plotted to destroy Jesus after witnessing his miracles. He claimed the media’s “hardened hearts” were calibrated only to “impugn.”Hegseth also criticized the press for what he called a distorted portrayal of the 2021 Afghanistan withdrawal, citing the phrase "the greatest airlift in American history"—a line originally used by President Joe Biden and later echoed by right‑wing commentators and politicians.Concluding his remarks, Hegseth admitted, "Sometimes it’s hard to figure out what side some of you are actually on," underscoring the tension between the Pentagon and the media.

Iran has deployed small surface vessels to lay mines in parts of the Strait of Hormuz, a critical waterway for global shipping. The exact number of mines laid is unknown, but Iran has left a path open to ships that are prepared to pay a toll.According to US officials, Iran has indicated that it cannot locate all of the mines that it has laid and lacks the capability to remove them. The mines are part of an array of offensive options available to Iran in the strait, including cheap drones, anti-ship missiles, and fast-attack small vessels.Iran is thought to have deployed two main types of mine: the Maham 3 and the Maham 7. The Maham 3 is an anchored, 300kg mine that can be used in waters as deep as 100 meters, while the Maham 7 is a bottom-resting 220kg mine for use in shallower waters.The US plans to use uncrewed marine mine-hunting vehicles, such as the Knifefish undersea mine hunter, to clear the mines. The US could also deploy the AN/ASQ-235 (Archerfish) airborne mine neutralization system from an MH 60S helicopter.The global economy's reliance on maritime trade gives countries deploying mines an outsized leverage compared with the relatively low cost of laying the mines. It takes only a small number of mines to close sea lanes, not least because some mines can be set to detonate after a certain number of ships have passed over, creating uncertainty.

The Marine Stewardship Council (MSC), a leading certifier of sustainable seafood, has been accused of masking widespread labour abuses through its 'blue tick' scheme. A recent study found that one in five vessels where crew reported abuses to the International Transport Workers' Federation (ITF) were certified by the MSC.The study identified 80 cases of labour abuses onboard 72 vessels in 25 MSC-certified fisheries across the globe. These abuses included forced labour, human trafficking, and forced criminalisation, as well as unpaid or delayed wages, excessive hours, violence, harassment, and denial of medical care.The MSC has long claimed that it is an environmental organisation with no social assurance mandate nor labour assessment capacity. However, Chris Williams, ITF fisheries co-ordinator, said that this risks masking abuses and leading people to buy products that aren't necessarily what they think they are.Dr. Jessica Sparks, co-author of the report, added that the MSC's policies and practices may obscure labour abuses in seafood supply chains by undermining enforcement efforts and reducing scrutiny. The study's findings have sparked concerns that the MSC's 'blue tick' scheme may be creating an 'illusion' of ethical sourcing.The International Labour Organization estimated in 2022 that about 128,000 workers were trapped in forced labour on fishing vessels globally. The MSC has engaged in evolving efforts to support the elimination of forced and child labour in supply chains, but critics argue that more needs to be done.

The United States is set to move **over 10,000 additional service members** into the Middle East before the end of April, according to officials speaking anonymously to The Washington Post. The reinforcement is intended to heighten pressure on Iran while the current cease‑fire, declared a week ago, remains in force until April 22. Approximately 6,000 troops will embark aboard the USS George H.W. Bush carrier and its escort vessels, which are transiting around Africa to join the existing carrier presence. An additional 4,200 personnel from the Boxer Amphibious Ready Group and the 11th Marine Expeditionary Unit are expected to arrive later in the month. These deployments bring the total number of U.S. forces engaged in the conflict since its start on February 28 to roughly 50,000 troops. With the arrival of the George H.W. Bush, the region will host three U.S. carriers: the newly arrived vessel, the USS Abraham Lincoln, and the USS Gerald Ford, all of which have already taken part in combat operations against Iran. Concurrently, U.S. Central Command (CENTCOM) announced on social media that its naval blockade of Iranian maritime trade is "fully implemented" and that American forces have "completely halted economic trade" to and from Iran by sea. However, maritime‑tracking data released on Tuesday showed several ships departing Iranian ports and navigating the Strait of Hormuz, suggesting the blockade’s effectiveness may be limited. Amid the military buildup, diplomatic channels remain active. President Donald Trump told The New York Post that a new round of negotiations with Iran could be convened in Pakistan within two days, following a marathon session in Islamabad that ended without a breakthrough. The previous high‑stakes talks failed to secure a lasting peace agreement, and the cease‑fire is slated to expire on April 22. According to the Washington Post sources, the fresh troop influx is designed to give the U.S. administration leverage in ongoing talks while preserving the option for "additional strikes or ground operations" if negotiations falter. This dual strategy underscores Washington’s intent to maintain both diplomatic and kinetic pressure on Tehran as the regional conflict evolves.