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In cities, air pollution can vary sharply from one street to the next. Fumes may linger between tall buildings, collect at busy junctions or drift towards a school gate. However, cities often lack the detailed forecasts needed to act before levels become dangerous. For Professor Soledad Le Clainche, an applied mathematician at the Technical University of Madrid and leader of the ModelFLOWs research group, better understanding how air moves through cities could help tackle one of Europe's biggest environmental health challenges. As part of an EU-funded research project called MODELAIR, Le Clainche is working with researchers in Belgium, the Netherlands, Sweden and the UK to make the invisible, highly local patterns of urban pollution easier for cities to understand.

Trending Now Say More Look Up In My Bag Mashable's Best: E-readers, robovacs, laptops, earbuds, smart home and more Mashable @Home Mashable Selects Top creators, ranked Gift Ideas For Everyone On Your List Creator Playbook AI at School Safety Net All Series How to watch Roma vs. Real Madrid online for free Joseph Green is the Global Shopping Editor for Mashable. He covers VPNs, headphones, fitness gear, dating sites, streaming, and shopping events like Black Friday and Prime Day. All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. There are a number of interesting Champions League fixtures taking place this week, including Roma vs. Real Madrid at the Stadio Olimpico.

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Ryan Day hints at day of reckoning, vows to make'hard decisions' after Ohio State's late-game Texas breakdown Josh Jacobs' ex-girlfriend files motion to permanently seal evidence in domestic violence case Ex-WWE star touts NXT roster, names tag team he'd like The Headbangers to go up against one day CC Sabathia says Yankees could do a better job helping young players handle the pinstripes: 'Different beast' Florida State fans pining for Jimbo Fisher's return are living in the past, not in reality Roman Reigns survives Penta's World Heavyweight Championship challenge, LA Knight makes a statement of his own Clancy holdout juror's identity sparks controversial responses Jesse Watters: We're being fed fantasies from a bunch of'sci-fi freaks' Jesse Watters: We're being fed fantasies from a bunch of'sci-fi freaks' Jesse Watters: AI is a huge threat to Democrats' credibility PBS, NPR and the Smithsonian have been taken over by this'left-wing project': Victor Davis Hanson Thomas Crooks FBI documents reveal details about Trump's would-be assassin Thomas Crooks FBI documents reveal details about Trump's would-be assassin DHS chief Mullin says there is'no compassion' over breaking the law Harris was the'weakest possible candidate': Former DNC fundraiser OutKick Sophie Cunningham says she's talked with NBA Commissioner Adam Silver amid search for WNBA's next commissioner On this explosive episode of Don't At Me, Dan breaks down why he believes Engelbert will go down as one of the worst commissioners in sports history. Despite Engelbert claiming gratitude and optimism, Dan argues her tenure was a total trainwreck. Engelbert had a golden opportunity to grow the WNBA around the most hyped player in history, Caitlin Clark, but she failed to capture the moment. As the WNBA searches for its next commissioner, Sophie Cunningham said she has spoken several times with current NBA commissioner Adam Silver, who is in charge of the search for the league's next leader. I have talked to Adam Silver a couple times, and I think he's a great guy who's very knowledgeable and full of wisdom, Cunningham told reporters this week.

Ryan Day hints at day of reckoning, vows to make'hard decisions' after Ohio State's late-game Texas breakdown Josh Jacobs' ex-girlfriend files motion to permanently seal evidence in domestic violence case Ex-WWE star touts NXT roster, names tag team he'd like The Headbangers to go up against one day CC Sabathia says Yankees could do a better job helping young players handle the pinstripes: 'Different beast' Florida State fans pining for Jimbo Fisher's return are living in the past, not in reality Roman Reigns survives Penta's World Heavyweight Championship challenge, LA Knight makes a statement of his own Introducing OutKick's first original animated series, 'Sports Talk with Cal McCallister' Jesse Watters: We're being fed fantasies from a bunch of'sci-fi freaks' Jesse Watters: We're being fed fantasies from a bunch of'sci-fi freaks' Jesse Watters: AI is a huge threat to Democrats' credibility PBS, NPR and the Smithsonian have been taken over by this'left-wing project': Victor Davis Hanson Thomas Crooks FBI documents reveal details about Trump's would-be assassin Thomas Crooks FBI documents reveal details about Trump's would-be assassin DHS chief Mullin says there is'no compassion' over breaking the law Harris was the'weakest possible candidate': Former DNC fundraiser Kylian Mbappé, Vini Jr. and Ibrahima Konaté covered the'We are all Caballas' T-shirts as Spain grapples with migrant crisis Morocco migrants storm Spain's border as Europe faces immigration crisis Moroccan migrants celebrate after storming the Spanish border enclave of Ceuta on Thursday, triggering an immediate military response from Spain. Over 60,000 migrants attempt to cross, highlighting Europe's escalating border security crisis. Experts analyze the geopolitical fallout and the strain on local infrastructure as military forces try to restore order. Three very prominent soccer stars at Real Madrid sparked controversy on Tuesday night after refusing to wear T-shirts showing support for the autonomous city of Ceuta, which has dealt with a migrant crisis since late July. France stars Kylian Mbappé and Ibrahima Konaté, as well as Brazil's Vinícius Júnior, stepped onto the pitch at the Martinez Valero on Tuesday night for their match against Elche covering the shirts which bore the slogan, We are all Caballas, in Spanish.