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Identity / Voices of Youth brand, Unicef
The font used for the Unicef is probably Univers Light. Designed by Adrian Frutiger in 1954, Univers is a realist sans serif typeface that is clear and highly legible.
Unicef Logo Vector
Unicef Zero Awards - I love how the two unifying elements (the blue and the 'o') are carried across the various material. The blue is as much the branding as the logo.