Articles
Article published in Scheer, H. / Ghandi, M. / Aitken, D. / Hamakawa, Y. / Palz, W. (Ed.): The Yearbook of Renewable Energies 1994: Solar Energy – What are its Driving Forces ?, London, 1994 Editorial
Future generations will certainly ask why both politics and economics in the 1970s, 1980s, and the beginning of the 1990s of the 20th Century had been acting in such a passive and cowardly way with respect to the far-reaching opportunities of-fered by renewable energies. Therefore, the only open questions are...
Article published in Scheer, H. / Ghandi, M. / Aitken, D. / Hamakawa, Y. / Palz, W. (Ed.): The Yearbook of Renewable Energies 1992: Solar Energy – What are its Driving Forces ?, London, 1992A retrospective view of Rio - Editorial
The failure of the Rio Conference was written into its Agenda! Agenda 21 lists the official main issues of the conference: climate change, ozone layer depletion, trans-boundary air pollution, land degradation, soil loss, desertification, deforestation, loss of biodiversity, biotechnology risks, freshwater availability and pollution, marine pollution, depletion of marine living resources, toxic chemicals, hazardous wastes, along with "trans-sectoral issues," such as: unsustainable consumption patterns, demographic pressures, poverty, quality of the living environment, health, condition of women and children, vulnerable groups, international economic environment and food security.

