Ban Ki-moon joins an array of stars and leaders at the GlblCtzn Global Citizen Earth Day concert in Washington, D.C.
The event aimed to inspire citizens to take action 2015 to protect our one and only planet and all its people. It featured Mary J. Blige, No Doubt, Usher , train and more. “You have the power. Take your passion and compassion and build a better, sustainable world,” the Secretary-General told the crowds gathered to show support.