Fighting climate change is the challenge of the century. The last UN Environment Emissions Gap Report warned that, in order to ensure global warming stays below 2°C, efforts should be tripled , and if we want to stay below 1.

The Cuarto de Marzo district of Valladolid, Spain , is an area spreading over 21,000 square metres with 166 residences. It is now the focus of a retrofitting project , called  R2CITIES , funded by the EU.

Toxic microalgae, viruses and chemical contaminants are floating in our waters. These hazardous materials pose a high risk to the livelihood of the sea dwellers. Especially the aquaculture is affected by this rising problem.