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The Emergence of Gaza's Improvised Cement Industry In the besieged Palestinian coastal strip of Gaza, a makeshift cement industry has emerged as a desperate solution to the construction material blockade imposed by Israel. With the death toll from the past two years of Israeli bombardments exceeding 71,000 and a staggering 81% of all structures in the Gaza Strip damaged or destroyed, the need for building materials is critical. The Process of Turning Rubble into Cement Ibrahim al-Aloul and his colleagues work tirelessly in a cramped tent, sifting and grinding rubble into a usable cement powder. This powder is then mixed with gypsum, calcium, and binding agents to create a substitute cement. The final mixture is roughly 60% cement dust, 15% lime, 10% gypsum, 10% calcium, and a bonding agent. The Economic and Environmental Impact The blockade on cement and building materials has been in place since 2007, with Israel citing security concerns for certain items. The UNOSAT satellite imagery reports that approximately 81% of all structures in the Gaza Strip had been damaged, with more than 123,000 destroyed outright. The UN estimates that the destruction generated 61m tonnes of rubble. The Challenges and Limitations While this improvised cement provides a vital solution, it is not without its challenges. The product fails under rigorous testing and is not suitable for structural use. Despite these limitations, for a population largely destitute and facing prolonged displacement, it offers a semblance of stability. The Future Outlook The October 2025 ceasefire agreement mandated the resumption of humanitarian aid and reconstruction materials. However, OCHA reports that reconstruction efforts are severely delayed due to continued bans on 'dual-use' items. Until a more permanent solution is found, Gaza's improvised cement industry will remain a critical, albeit temporary, fix.

The Urgent Overview of the Sand ShortageUrban expansion and industrial demand are extracting sand faster than natural processes can replace it, endangering coastal cities, ecosystems and the global economy.Massive Land Reclamation in the Maldives Accelerates Sand DepletionThe Maldives commissioned a Dutch firm to reclaim 192 ha of lagoon at Gulhifalhu, requiring 24.5 million m³ of sand dredged from 13.75 km² of the northern atoll. Six months later an assessment warned of irreversible damage.Global Sand Consumption Hits 50 bn Tonnes AnnuallyCurrent extraction rate: 50 bn tonnes per year, projected to rise.Project in the Philippines removed 155 million m³ for a 1,700‑ha airport, devastating fisheries.Indonesia’s Sulawesi project extracted 22 million m³, cutting local incomes by 80%.UNEP report: half of dredging firms operate in marine protected areas, accounting for 15 % of sand volume.Ecological and Socio‑Economic Fallout from Sand MiningThe Gulhifalhu project destroyed 200 ha of coral reef and lagoon habitat, threatening fish, turtles, birds and tourism. Sand also serves as a natural barrier against sea‑level rise; over 80 % of the Maldives’ land lies less than a metre above sea level, making it highly vulnerable.Future Outlook: Governance Reforms and Sustainable Sand ManagementUNEP calls for improved data, mapping and transparent governance to protect high‑value ecological zones. Without stricter controls, sand scarcity could trigger “urban disaster” scenarios in rapidly growing coastal cities.

The Lead: Norway's Funding Pause Creates Uncertainty for Global Environmental EffortsThe largest donor to the United Nations Environment Programme (Unep) has paused funding to the body before its revised budget on 12 May, triggering concern among member states and NGOs. The news carries significant implications for the already troubled plastic treaty negotiations being overseen by Unep, which have struggled to reach agreement since 2022.The Event Details: Norway's Financial Support to UnepUnep's executive director, Inger Andersen, met the director general of the Norwegian Agency for Development Cooperation (Norad) the week before last and was told that "all [funding] agreements are on hold" pending budget decisions, according to sources.Norway has been the largest overall donor to Unep in recent years, contributing approximately $12m (£9m) annually to the fund over the three years to 2025. Norway also contributed $19m in 2025 to the Planetary Fund and another $7.8m in earmarked funds in 2025, meaning that even a pause introduces significant uncertainty for future functioning of the global environment agency with the wider UN already facing severe financial pressure.In addition, the Guardian has obtained an email sent to NGOs by Norad advising them that it was postponing a funding call aimed at projects to combat plastic pollution in developing countries. The programme is valued at £4m-£6m a year and, according to Norad, the funding can be used for projects that support countries in the plastic treaty process.The Data Analysis: Financial Impact of Norway's Funding PauseNorway's financial contributions to environmental initiatives are substantial:Approximately $12m (£9m) annually to Unep's fund (2023-2025)$19m contributed to the Planetary Fund in 2025$7.8m in earmarked funds in 2025£4m-£6m annually for projects to combat plastic pollution in developing countriesPotential £79m commitment between 2025 and 2028 as previously announcedThese figures represent a significant portion of Unep's operational budget and the specific funding needed to support developing countries in the plastic treaty process.The Impact Analysis: Implications for Global Plastic Treaty NegotiationsNorway is the co-leader with Rwanda of the high-ambition coalition at the plastic treaty negotiations. The coalition says it is working for an "ambitious" and legally binding instrument on the "full life cycle of plastics". This stands in contrast to a small group of petrostates, who are widely seen as blocking moves to put a cap on plastic production.Christina Dixon, ocean campaign leader at the Environmental Investigation Agency, emphasized the timing: "Any risk to funding could not come at a worse time for the negotiations … sustained funding would reinforce Norway's longstanding leadership toward an ambitious plastics treaty."Karen Landmark, managing director at GRID-Arendal, a Norwegian environmental foundation that works closely with Unep, expressed concern that the funding pause could "give other countries an excuse to lower their level of ambition." She added: "For years, Norway has played a clear and constructive leadership role in pushing for a strong global plastics treaty. When a country in that position signals hesitation or withdraws support, the consequences can extend far beyond its own borders."The Prediction: Future Outlook for Environmental DiplomacyThe plastic treaty negotiations have faced significant challenges, with the chair of the process resigning suddenly last year after talks collapsed with little progress following three years of negotiations. A new chair was elected this year, with negotiations expected to resume in early 2027.Norway's reassessment of Unep funding comes amid a shifting domestic political and economic debate over climate and environmental spending. The country is governed by the centre-left Labour party, which has continued to position Norway internationally as a supporter of climate diplomacy, rainforest protection and efforts to negotiate a global plastics treaty.Per Fredrik Pharo, head of Norad's department for climate and nature, indicated that the assessment process for future cooperation will be finished in mid-2026. However, the vague language surrounding Norway's continued commitment to combating plastic pollution has raised concerns among environmental organizations about the future of these critical initiatives.

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.

Satellite images of Tehran have revealed that toxic fires caused by Israeli bombings on oil depots were still burning days after the strikes, posing serious health risks to millions of residents in the Iranian capital.The bombings, which occurred on March 7, caused clouds of smoke to blanket the city with pollutants ranging from soot to oil particles to sulphur dioxide. A passing storm then showered Tehran with poisonous, oil-filled rain.Residents have reported headaches, eye and skin irritation, and difficulty breathing. Experts have warned that these symptoms could be just the beginning, with long-term risks of cardiovascular disease, cognitive impairment, DNA damage, and cancer.Four fuel facilities in and around the capital were hit, including the Shahran depot in the north-west, the Aqdasieh oil depot in the north-east, the Tehran refinery in the south, and the Shahid Dolati facility in the west.Satellite images taken two days after the strikes showed the Shahran depot and the Tehran refinery were still burning. Another image taken by the European Space Agency satellite on Tuesday – 10 days after the strikes – showed that those two fires had smouldered, but smoke and flames were visible at the Aqdasieh oil depot.Iran has described the attacks as “ecocide”, which is described as wanton acts of environmental destruction.The United Nations Environment Programme (UNEP) has warned that heavy smoke from burning oil was “directly inhaled by people in Iran – including young children – raising serious concerns about long-term impacts on both human and environmental health”.