The Energy Citations Database (ECD) provides one-stop shopping access to historical and current announcement records (1948 to the present) for energy and energy-related scientific and technical information.
IEA Energy Technology Data Exchange (ETDE), an international consortium that collects and exchanges energy research and technology information through the Energy Database
Publikation Datenbank der Fraunhoher Wissenschaftler und Institute: Aufsaetze, Studien, Forschungsberichte, Konferenzbeitraege, Tagungsbaende, Patente und Gebrauchmuster
energy and environment picture library: high quality stock photography related to energy, global warming, renewable energy, transport, water, waste, pollution etc....