Waves Aqua Park and Resorts is pictured in Mansourieh overlooking Beirut city, which is shrouded in a haze of pollution, Lebanon June 25, 2016. REUTERS/Jamal Saidi
A water park in Mansourieh overlooking Beirut, Lebanon, shrouded in a haze of pollution. Reuters

World Environment Day: Beirut's haze a sign the city is losing its battle with smog