According to a new report, the 2018 Carbon Budget, the world still has a few decades to reduce global carbon emissions and rebuild natural carbon sinks and thus avoid the worst case scenarios for a warmer planet

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.