Sustainable development has been the red line in Kitty van der Heijdens'carreer. After working for the UN, she is now director at the Ministry of Foreign Affairs and ambassador for sustainable development. She will represent the Netherlands in the upcoming Rio plus 20 earth Summit in June 2012. An international conference organised by the UN 20 years after the first UN conference on sustainable development in Rio. At TEDxHaarlem Kitty van der Heijden will take us on a journey through international sustainable development conferences.

The west historically have been dominating the global economy. With the rise of China and Asia, how would the world change with the new center of economy being a non Western and European focus. Danny Quah is Professor of Economics and International Development at the London School of Economics and Political Science, and Director of the Southeast Asia Centre at LSE’s new Institute of Global Affairs. He had previously served as LSE’s Head of Department for Economics and Council Member on Malaysia’s National Economic Advisory Council.

The boss of the controversial data company Cambridge Analytica is under fire from MPs tonight. Alexander Nix is accused of making false statements when he gave evidence to parliament last month. Tonight we have new evidence, which appears to contradict Mr Nix's evidence to MPs about his company's use of the Facebook data. Andy Davies reports.