A nurse holds a painting of Prime Minister Boris Johnson clapping with blood on his hands as part of a demonstration of NHS workers at hospitals across London to demand a 15 per cent pay rise by the government in London, Wednesday, August 26, 2020.(Photo by Kirsty Wigglesworth/AP Photo)

(L-R) American actress Joey King, English actor Aaron Taylor-Johnson and American actor Brian Tyree Henry attend the “Bullet Train” Photocall at The Corinthia Hotel on July 20, 2022 in London, England. (Photo by Gareth Cattermole/Getty Images)

Director Rian Johnson takes a photo of cast member Janelle Monae at the premiere for the film Glass Onion: A Knives Out Mystery at the Academy Museum of Motion Pictures in Los Angeles, California, U.S., November 14, 2022. (Photo by Mario Anzuoni/Reuters)

Former leader of Britain's UKIP party, Nigel Farage (C) reacts as he speaks with Italian-Swedish MEP Anna Maria Corazza Bildt (L) and British Journalist Rachel Johnson during a panel discussion at a conference on Brexit, at the Saatchi Gallery in London on February 19, 2019. The British government on Friday dismissed as a “hiccup” its latest parliamentary defeat over Brexit, saying it would press on with trying to renegotiate its EU divorce deal as exit day looms in just six weeks. (Photo by Tolga Akmen/AFP Photo)

To mark World Water Day, on March 22nd Solidarités International and its agency BDDP Unlimited will roll out a campaign to build awareness of the scourge of undrinkable water.