B Corp certification is meant to signal that a company is socially and environmentally conscious. The logo graces the packaging and advertising of anything, from shoes and snacks, to steak houses. But as the movement nears nearly 10,000 companies globally, and includes multinational food and beverage giants, is it getting too big to be meaningful? If you'd like to get in touch with the programme, email us at [email protected] and produced by Josh Martin(Picture: David Bronner, CEO of Doctor Bronner's Magic Soaps. Credit: Dr Bronner's Magic Soaps.)

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