collaborate, dearth, denizen, endeavor, noxious, paucity, potable
Jay-Z is collaborating with the United Nations in an endeavor to focus attention on the world's water crisis. The paucity of clean water affects one third of the global population, and over 4,500 children die every day from preventable diseases caused by noxious water and substandard sanitation. MTV is filming the star's international tour to produce a documentary called "Diary of Jay-Z: Water for Life," which will include footage of his visits with denizens of countries with a dearth of potable water.
collaborate - (verb) to work together
endeavor - (noun) a purposeful attempt or effort [The verb form of this word means "to work towards a specific goal."]
paucity - (noun) a scarcity; smallness of number; a dearth
noxious - (adjective) harmful to living things
denizen - (noun) a resident; a person who frequents a certain location
dearth - (noun) a scarcity; smallness of number; a paucity
potable - (adjective) suitable for drinking