The M29 bus cuts through Berlin. The one end of the line is in a working-class and immigrant neighborhood. The other is where the rich have their villas. We ride the bus and ask people along the way how they see social justice.

Ilse Bosch is the granddaughter of the industrialist Robert Bosch. She uses her wealth to support projects around the world that benefit women and girls and LGBTQI communities.

German entrepreneur Fridtjof Detzner visits a start-up in Dhaka that has developed an app to match service providers with customers. He also meets with activists from a children's rights organization that helps child laborers get some education.

He is suing German power company RWE for damages. It generates electricity by burning coal. That contributes to climate change and thus the melting of the glacier near his home. The water threatens his livelihood. A German court will hear the case.

The co-founder of a tech startup that conducts opinion polls online believes networking is key for women entrepreneurs.

The MEP and former European Commissioner is a champion of data privacy. New EU rules Reding proposed to protect individuals from data abuse by internet firms go into effect in May.

Larissa Zeichhardt and her sister run the building business founded by her father. She says it takes a lot of determination to make her way in the construction industry, which is still dominated by men.

Around the world, women still earn less than men. What are the reasons for the wage gap, and when will it finally be closed?

Clothes are going digital. They could soon connect to the internet and be made to measure on 3D printers. But they won't come cheap.

Johann Jungwirth is steering Volkswagen towards a high-tech and sustainable future. As chief digital officer at the world's largest carmaker, he is focusing on electromobility, autonomous driving and mobility as a service.