Share Share Article via Facebook Share Article via Twitter Share Article via LinkedIn Share Article via Email'Mattel is a turnaround story' when it comes to sustainability, says Helen Mbugua-KahukiHelen Mbugua-Kahuki, director of research at Calvert Research & Management, joins CNBC's 'The Exchange' to discuss sustainability stock picks, how the toymaker behind Barbie is going greener, and more.

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Persons: Helen Mbugua, Barbie Organizations: Mattel, Calvert Research & Management