The latest meeting of the United Nations Climate Change conference in Katowice, Poland managed to agree upon the rules and procedures for implementation of the historic Paris accord and while work remains to be done, the world is one step closer to solving perhaps the biggest threat we are facing.

Cities are ahead of the game in the transition to a cleaner, more livable world and Madrid's Mayor, Manuela Carmena, has boldly made the city a leading example by restricting private internal combustion engines from the city's most iconic central district.

Last week IESE had a presence at Web Summit in Lisbon and I came away much more optimistic about the world's future as perhaps we will be able to reign in some of the more dangerous aspects of the web and also find ways to adress environmental problems.