How the Swiss cities combat "heat islands"?

Climate change led to that in Switzerland now it is necessary to watch the air temperature and droughts. During an abnormal heat trees and other green plantings in the cities can save lives of tens inhabitants, informs Swiss info. "Heat islands" call city quarters in which air temperature is usually higher, than in other areas. In process of climate warming this phenomenon amplified, especially in the densely populated cities on the central plateau of Switzerland. Around the world every second person lives in the city. In densely populated Switzerland the city...