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Scientists are preparing to establish 4,500 native trees on the fringes of the Brecon Beacons National Park using a novel fertiliser derived from human urine.The fertiliser was produced by Bristol‑based startup NPK Recovery, which linked its mobile processing unit to the toilets serving roughly 700 revellers at the Boomtown festival in Hampshire last July.During the 2025 event the system generated 540 litres of nutrient‑rich liquid, now earmarked for planting beech, Scots pine and other native species in Wales.The three‑year restoration scheme, funded by a Forestry Commission grant, will also incorporate urine collected from additional events, expanding the supply chain for the circular fertiliser.To launch the initiative, a Scots pine seedling was planted on Thursday morning, symbolising the start of what could become a lasting Welsh forest.Lucy Bell‑Reeves, co‑founder of NPK Recovery, noted that field trials have shown the urine‑based product to be as effective as conventional fertilisers, marking its first application on trees.“Using a waste product to grow trees is a circular solution that can revitalise our struggling native species,” Bell‑Reeves said, adding that “we need to stop flushing crop and tree‑growing nutrients down the loo and start using them to increase our fertiliser security.”The company previously processed 1,000 litres of urine collected from women’s urinals at the London Marathon, converting it into an odour‑free liquid using specialised bacteria that recover nitrogen and other nutrients.NPK Recovery’s mobile laboratory enables on‑site conversion, eliminating the need for transport and preserving nutrient integrity.Partnering with the charity Stump Up For Trees, co‑founded by author‑cyclist Rob Penn, the project builds on the charity’s five‑year effort that has already planted over 500,000 trees in the region, half of its one‑million‑tree target.Penn expressed enthusiasm, stating, “This groundbreaking project has implications for the future of sustainable forestry, and collaboration with NPK Recovery brings much‑needed innovation to the sector.”

Danish cyclist Jonas Vingegaard has made an impressive start to the season, securing a dominant victory at the Volta a Catalunya. He led the general classification by 1 minute and 22 seconds over France's Lenny Martinez and a further eight seconds ahead of Germany's Florian Lipowitz. In a surprising turn of events on the final stage, Brady Gilmore of the NSN team, backed by retired football star Andrés Iniesta, claimed a stunning stage seven victory. Gilmore edged out Dorian Godon and Remco Evenepoel in a thrilling bunch sprint finale. The 95km final stage featured seven circuits of Montjuïc in Barcelona, a venue that will host the Tour de France start in July. Vingegaard, the pre-race favorite, asserted his dominance with solo victories in stages five and six in the Pyrenees. Earlier this month, he also won two stages and the overall title at Paris-Nice. The Dane is planning a challenging double assault on the Giro d'Italia and Tour de France later in the year. 'We won two stages and now the GC, it's been a really good week and we're super happy with it,' Vingegaard said. 'It's been an amazing start to the year for me and I hope I can keep it going.' Meanwhile, in the In Flanders Fields one-day cobbled classic race in Belgium, Jasper Philipsen secured victory after a breakaway effort by Mathieu van der Poel and Wout van Aert was caught just a kilometer from the finish. Philipsen out-sprinted Tobias Lund Andresen and Christophe Laporte for the win.