28/03/2012 14:24 BST

Link TV's 'ViewChange: Unleashing Innovation' Tackles Global Problems (VIDEO)

From teeny-tiny sleeping bags ending infant mortality to soccer balls that produce electricity, a new documentary shows how fresh solutions to old problems can change the world.

Link TV's documentary "ViewChange: Unleashing Innovation" highlights the works of top social entrepreneurs tackling the world's toughest problems such as hunger, disease, clean water and security from surprising and inventive new angles.