Cities must grow with trees. They are essential for people’s health and quality of life and a key element for the attainment of the SDG 11: making cities inclusive, resilient, sustainable and safe.  

Migration due to poverty, violence and neglect has led to the overcrowding of hundreds of thousands of people within a few kilometers of the center of Nairobi, Kenya’s capital. The causes of the creation of slums follow a universal pattern that show us where to find the shortcomings of the universal justice we wish to create. The short filmRaindrops, by Stephen Okoth, finalist of the We Art Water Film Festival 5, recreates a real common story in Kibera and in all marginal neighborhoods around the world.

Will algorithms and big data be able to control the 42,000 km³of usable fresh water all around the world? Will they be able to monitor its efficient use worldwide? Will they guarantee universal access to water? Will they create inequalities in decision-making to face the climate crisis? These are not science-fiction questions; in the smart world that is already underway, they point towards a future that is the goal of the current technological development based on big data and artificial intelligence.

When is a country known to be water efficient, and is its agriculture, industry or urban supply water efficient? The attainment of the SDG 6 by 2030 forces us to provide an answer to these questions. UN Water has developed certain indicators to help manage water efficiency and also to understand it.

Floods caused by violent rainfall frequently exceed the capacity of the sewage system and spill all kinds of pollutants into rivers and seas. Adapting urban sanitation systems to these phenomena is vital for the health and preservation of the environment. It is one of the challenges of the smart age in the face of an increasingly urban future. Investments must reach all for results to be sustainable.  

In all activities carried out during this hard year, we have been faced with human suffering, but we have also found hope. Hope generated by the knowledge of being understood and helped; the one generated by the enthusiasm and generosity of the institutions we collaborate with. These have redoubled their efforts despite all difficulties and deserve our admiration and gratitude. We will continue to be there, collaborating to overcome them, because we share the conviction that solidarity is a never ending asset.

Architecture and the building and tourism industries are key elements for the attainment of the SDGs. They must be a fundamental part of the model that will lead us to attain them and their international influence in the generation of social awareness is decisive. The “Smart Water Smart Reaction” debate showed there are plenty of ideas and initiatives in Mexico, Peru and Spain. The pandemic has strengthened the connecting thread of water as source of inspiration to overcome the global challenge we face and to appreciate the opportunities that appear before us.

Smart Water extends its discussion forum to make the most of the opportunities offered by the profound change we are experiencing. Smart Reaction will help create a new model that will allow us to effectively attain sustainable development. Through water, a smart reaction is based on dialogue and cooperation to overcome the survival and justice challenge humanity is facing. The world that designs, creates and builds living spaces must evolve even more towards collective intelligence, which will face all problems and will include all those who experience them.