Members:  David Klepej, Zulfiqar Ali, Petros Lourikas, Barbara Kostanjšek and Maja Debevec.

Challenge: Increasing heavy rains and floods in Greece. 

The solution: Plimira represents a solution that will proactively engage the citizens towards building a more resilient city and improving the emergency responses. 

Slogan: Take cover? The rain is coming! 

Members: Panagiotis Petropoulos, Panagiota Stamatelopoulou, Ippokratis Tsevrenis and Nikolaos Zapantiotis

Challenge: Urban heat island in Athens. 

The solution: Create an agency that would disrupt the status quo of lack of green roofs reducing temperature by at least 27%. 

Slogan: Think it, Change it.

Members: Javier Rodríguez, Alicia Arranz, Zeliha Sahin Cagli, Emma Mouton, Esteban Ricardo García Clavel, A. Gülbin Kavak and Alexia Martin Ledezma

Challenge: Mitigating health risks from extreme heat in Southern Spain. 

The solution: City-wide paths and stations of sustainable, cool, and comfortable canopies powered by solar cells. 

Slogan: Make it cool. 

Members: Sofía Wepman, Javier Ríos, Flor Escobar, Otilia Biro, Lawrence Carvalho and Sabina Bakula.

Challenge: Reduce water consumption in hospitality. 

The solution: Web app to incentivize hotel guests to save water during their stay. 

Slogan: Save drop, do not drip. 

Members: Pablo Maldonado, Rodrigo Sangil, Carlos Casanova and Yi Ze Chen.

Challenge: Empowering citizens with efficient consumption models in the Spanish region.

The solution: The green catalog: An online catalog of sustainable toys to teach children from a young age the importance of responsible consumption.

Slogan: If is not sustainable is trash.