In a recent meeting of more than 100 countries, leaders agreed to work towards reducing carbon emissions from global aviation by 2030. Nigerian-South African aviation strategist Ogaga Udjo joins me to talk about some of the technological innovations that are being explored to make aircraft more fuel-efficient and environmentally friendly.

2. Kenya's Parliament decrees a new dress code, but Kenyans on social media say that legislators should be more concerned about other pressing issues, like the economy.