ETDEWEB covers an extensive base of topics, the main areas include information on energy R&D;research and development along with energy policy and planning;. basic sciences are included in coverage of this database (e.g., physics, chemistry and biomedical) and materials research;. Also indexed is the environmental impact of energy production and use, including climate change;, and energy conservation;. The nuclear (field is also covered e.g., reactors, isotopes, and nuclear waste management);. Also included is coal and fossil fuels; renewable energy technologies (e.g., solar, wind, biomass, geothermal, hydro). TheFurthermore, the list of subject areas continues, and covers a broad spectrum.<ref name=energyDB>
{{Cite web
| last =Energy Technology Data Exchange
Line 64:
| accessdate =2010-07-08}}</ref>
[[Image:ETDEWEB subjects coverage.jpg|thumb|left|400px420px|Pie chart represents the subject contents of the database for 2004-2008.]]
