Section A

I. Solar thermal and photovoltaics
II. Wind energy
III. Microhidroelectric systems
IV. Hidrogen and fuel cell
V. Biomass and geothermal energy
VI. Waste management
VII. Intelligent and green buldings
VIII. Renewable energy sources in informational society
IX. Stategies and policies in energy and key factors in economics and law for promoting renewable energy sources.