New Year's Eve fireworks display illuminates the sky over the Dom Tower on January 01, 2012 in Utrecht, Netherlands. The Dom tower is with 112.5 metres high the tallest church tower of the Netherlands. Built in Gothic-style, the tower, part of the Cathedral of Saint Martin, is the symbol of the city of Utrecht. (Photo by Jasper Juinen/Getty Images)

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.

These spectacular landscapes may look like something from another planet – but they are in fact colorful salt ponds which stretch for miles. Despite being better known for tech companies and expensive property – San Francisco, California is also home to this vibrant quilt of color spanning the South Bay Area. From eerie green pools to gothic shades of red the surreal landscapes are caused by the organisms or micro-algae living within them. Photo: Aerial view of the salt ponds in San Francisco, California. (Photo by Cris Benton/Caters News)

A tourist walks inside the Ice Palace glacier hollow at Hintertux glacier, located at around 3250 meters above sea level, in Zillertal, Austria, 02 March, 2016. The hollow's temperature remains constant at 0 degrees Celsius, in summer and winter alike, and is also used by the University of Innsbruck for scientific research projects. (Photo by Lisi Niesner/EPA)