Considering the key role of climate in determining city quality, pleasure and comfort, it is highly unfortunate that most city planning makes no attempt to ensure the best possible natural climate quality in city space. In many warm regions, extensive road systems, asphalt parking lots and hard roofing materials raise the air temperature from high to unacceptable, whereas trees, lawns, green roofs and porous paving stone would have lowered it. In contrast, high-rise after high-rise is being built in cool, windy regions, increasing wind speed and cooling around the buildings and making outside stays virtually impossible.