What's harder: heating your home in winter or keeping it cool in summer? In Europe's sunnier parts, stopping buildings from soaking up the rays is usually the bigger challenge. Traditional architecture in these areas has come up with a number of ways of coping with the heat, and research and development are taking this skill to the next level.
The EU-funded COOL-Coverings project, for example, has applied cutting-edge technology to create innovative tiles, paints and membranes.