Vancouver captures heat that normally disappears down showers, sinks and toilets and sends it back into buildings; sewage now supplies most of one district’s renewable heat

False Creek NEU’s impact goes beyond the buildings it serves. Its success has helped demonstrate that sewage and wastewater heat recovery can work at the utility scale, and has encouraged other communities throughout Metro Vancouver to explore similar approaches. Every day thousands of showers, sinks and toilets flush warm wastewater down the drain. Now some…

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A Swedish hospital stores winter snow under wood chips and pumps its meltwater through the building in summer; in its first year it supplied 93% of cooling demand

According to Science Direct, the hospital’s annual cooling demand is about 1,000 MWh. A hospital in central Sweden found an unusual way to meet its summer cooling needs by storing snow from winter and using it months later. The Sundsvall Regional Hospital uses a large snow storage system designed to preserve winter cold until the…

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Helsinki turned abandoned 1970s oil caverns into a giant underground heat battery holding 260,000 cubic metres of hot water; it can heat 25,000 homes for a year

Helsinki (Representative image) In a groundbreaking move toward carbon neutrality, Helsinki has transformed two abandoned underground oil caverns into Finland’s largest heat storage facility. According to Helen, the city’s energy company, the caverns in Mustikkamaa were filled with 260,000 cubic metres of hot water, creating a giant “heat battery” to balance consumption peaks throughout the…

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In 2019, Australia restored oyster habitat that had nearly disappeared; years later, 34 million oysters filtered 9 million litres of seawater hourly | World News

Representative Image of a healthy oyster reef supporting fish, crabs, and other marine species (AI-generated image) Australia’s oyster reefs once stretched extensively along the country’s coastline, providing food and habitat for marine life and supporting Indigenous communities for thousands of years. European colonisation brought widespread destruction, with oyster shells harvested on a huge scale and…

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Quote of the day by Theodore Roosevelt: “The credit belongs to the man who is actually in the arena, whose face is marred by…” | World News

Theodore Roosevelt’s famous “man in the arena” passage remains one of his most enduring reflections on courage, effort and failure. In his 1910 speech “Citizenship in a Republic”, delivered at the Sorbonne in Paris, Roosevelt said: “The credit belongs to the man who is actually in the arena, whose face is marred by dust and…

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Singapore rebuilt a vanished 1920s lake inside a new housing estate; engineers turned it into a flood-control system and wildlife habitat | World News

Singapore has brought the memory of a vanished 1920s landmark into one of its newest housing estates, but the new Alkaff Lake is doing much more than recreating a piece of the past. Built inside Bidadari Park, the 1.8-hectare lake was inspired by the former Alkaff Gardens, which opened to the public in 1929. Today,…

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Meet Angus Johnstone, the Australian teacher who kept a kite in the air for more than 26 hours to raise money for Myanmar | World News

Australian teacher and kite enthusiast Angus Johnstone has turned an unusual hobby into a Guinness World Records achievement and a fundraising campaign for Myanmar. In March 2026, Johnstone kept a kite airborne for 26 hours, 15 minutes and 15 seconds in Killarney, Victoria, earning the Guinness title for the longest kite flight by an individual….

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Two Belgian climbers vanished in the Alps in 1992; melting ice has finally revealed their remains 34 years later | World News

Two Belgian mountaineers who disappeared in the Swiss Alps in 1992 have finally been identified after their remains emerged from a retreating glacier 34 years later. The men, who were 39 and 41 when they vanished, had set out in the Weissmies region but never reached their planned destination. Despite searches at the time, only…

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About 30 years ago, an Australian farmer began restoring land he had once cleared after his children told him to protect nature; today 24 bird species live on his farm year-round

Fred Perry decided to make changes to his farming practices to conserve environment (Picture: ABC news) King Island in Tasmania, Australia is known for its green farmland, cattle and tourism. But beneath that landscape is a much older story of forests and native vegetation that once covered large parts of the island.Over about two centuries,…

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