<s>[INST] The next text is a question of a member of the European parliament:"In January 1996, for the first time in its history, the Architects Council of Europe presented a Joint Declaration on the criteria which, in its opinion, should be followed by the building industry in Union countries in the future. Some measures were as drastic as banning the use of heating which has not been generated using non-renewable sources of energy or proposing a European point of view for the conferences to be held in Berlin (""""""""the ecological city"""""""") and Istambul (""""""""Habitat II"""""""").  Has the Commission studied the declaration and has it formed an opinion about it?"
Analyze carefully the text and assign it to the most relevant policy area among those listed below. Do not explain your answer and return only a number.
Policy area numbers: 1 = Macroeconomics
2 = Civil Rights, Minority Issues and Civil Liberties
3 = Health
4 = Agriculture and Fisheries
5 = Labour, employment and pensions
6 = Education
7 = Environment
8 = Energy
9 = Immigration
10 = Transportation
12 = Law and Crime
13 = Social welfare
14 = Regional and Urban issues and Planning
15 = Banking, finance and domestic commerce issues
16 = Defence
17 = Space, science, technology, and communications issues
18 = Foreign trade
19 = International affairs and foreign aid
20 = Governance and government
21 = Public Lands, Water Management and Territorial Issues
23 = Culture and media
[/INST]. Answer = [8]. </s>
In January 1996, for the first time in its history, the Architects Council of Europe presented a Joint Declaration on the criteria which, in its opinion, should be followed by the building industry in Union countries in the future. Some measures were as drastic as banning the use of heating which has not been generated using non-renewable sources of energy or proposing a European point of view for the conferences to be held in Berlin (""""""""the ecological city"""""""") and Istambul (""""""""Habitat II"""""""").  Has the Commission studied the declaration and has it formed an opinion about it?