With a brand-building campaign that draws parallels between historic social campaigners like Martin Luther King and modern-day equivalents, Unilever is encouraging consumers to take positive action against worldwide social and economic issues.

VICE has made a name for itself delivering provocative investigative journalism to Gen Yers. It's now launching a female-focused video channel called Broadly in partnership with Unilever. Brands like Tresemme and Dove are set to co-create and sponsor content for the platform.

What is radical transparency? Has giving become fashionable? How are social networks changing how we care? And how should brands talk about values?

Over the last decade, brands have made a real effort to ‘go green’ – and they expect a positive response. But a study by Yale suggests that people are actually less likely to buy if the environmental benefit seems intentional. So how should a brand demonstrate its green credentials?