Why is newly renovated Reflecting Pool in Washington DC full of algae?

British Broadcasting CorporationHomeNewsFootball 2026SportBusinessTechnologyHealthCultureArtsTravelEarthAudioVideoLiveHomeNewsUS & CanadaUKUK PoliticsEnglandN. IrelandN. Ireland PoliticsScotlandScotland PoliticsWalesWales PoliticsAfricaAsiaChinaIndiaAustraliaEuropeLatin AmericaMiddle EastIn PicturesBBC InDepthBBC VerifyFootball 2026SportBusinessWorld of BusinessTechnology of BusinessNYSE Opening BellTechnologyArtificial IntelligenceIntelligence RevolutionAI v the MindTech NowHealthCultureFilm & TVMusicArt & DesignStyleBooksEntertainment NewsArtsArts in MotionTravelDestinationsAfricaAntarcticaAsiaAustralia and PacificCaribbean & BermudaCentral AmericaEuropeMiddle EastNorth AmericaSouth AmericaWorld’s TableCulture & ExperiencesAdventuresThe SpeciaListEarthScienceNatural WondersClimate SolutionsSustainable BusinessGreen LivingAudioPodcast CategoriesRadioAudio FAQsVideoBBC MaestroDiscover the WorldLiveLive NewsLive SportSite searchHomeNewsSportFootball 2026BusinessTechnologyHealthCultureArtsTravelEarthAudioVideoLiveWeatherNewslettersWhy is newly renovated Reflecting Pool in Washington DC full of algae?The Lincoln Memorial Reflecting Pool in the US capital has turned green with algae days after it was refilled with water following renovations. President Donald Trump ordered the revamp last year, claiming the pool had been left in a poor condition by President Joe Biden. It's had issues with algae for decades. BBC Verify's Jake Horton has looked into what's behind the latest problem. Produced by Ian Aikman, graphics by Leo Scutt-Richter ShareSaveDozens of Stanford grads walk out on Google CEO's speechVideo filmed by the BBC showed dozens of people walking out, some carrying signs expressing concern about the company's controversial work with the US government. 'The greatest day of my life' - Knicks fans celebrate in San AntonioNew York's basketball team won the NBA championship for the first time in over 50 years after beating the Spurs in Texas. 'People can change': Scandal-hit Platner on Maine primary winGraham Platner, whose campaign was plagued by scandals, has won the Maine primary and will run as the state's Democratic candidate for the US Senate in the November midterms. 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