Honorable Mention

2018 Skyscraper Competition
Katarzyna Przyby?a

Poland

Water scarcity is currently one of the major issues of the 21st Century. International conflict about Blue Gold has already arisen and is expected only to increase. Nowadays, over one-third of world?s population lives in water-stressed countries. In addition to population growth, it has been reported that another important cause of water crisis is climate change and its impact on the global water system and the environment. Glaciers, as the primary reservoir of potable water, influence global water management and marine currents. Their melting significantly increase water temperature and decrease its salinity. According to the National Oceanic an Atmospheric Administration global temperatures have been increasing steadily for the past 100 years and it is expected to continue to grow. Anticipated increase of only two degrees will cause vast of marine species stop reproducing and eventually vanish forever. Water, water everywhere, nor any drop to drink

Even though most of the Earth is covered by water, only 3% of its resources is potable. The only way to increase water supply are water reuse and desalination, whereas seawater desalination tends to be unlimited and eco-friendly. Currently the most popular desalination method is reversed. However, it still generates some inconveniences and one of its alternatives is freeze-thaw method.
Freeze-thaw desalination is based on the fact that ice crystals form...