Title: Energy and the environment in the 21st century
Subjects: Energy consumption, Congresses, Energy development, Milieuvraagstuk, Toekomstverwachtingen, Environmental aspects, Congrès, Énergie, Aspect de l'environnement, Développement, Consommation, Energy development--environmental aspects, Energy development--environmental aspects--congresses, Energy consumption--environmental aspects, Energy consumption--environmental aspects--congresses, Td195.e49 e515 1991, 333.79/14, Energy policy, Environmental policy, Renewable natural resources