After the first successful conference in Munich in 1987, the Commission of the European Communities has been organising its 2nd Conference on Architecture in Paris. It is part of the Community's development programme on solar energy. The use of solar energy in dwellings and buildings in general was actually the starting point of this conference and it still is a major part of it. But the development of solar energy has not only led to a better energy utilisation and a new type of comfort in our buildings; it just showed an example of the immense technological potential which still remains...