- AGRICOLA
- Bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Includes animal & veterinary sciences, plant sciences, forestry, aquaculture & fisheries, farming & farming systems, agricultural economics, food & human nutrition, and earth & environmental sciences.
- Backgrounders on Weather & Climate
- Offers a quick look at the science and issues involved in major weather and climate topics researched at NCAR & UCAR, including hurricanes, the nitrogen cycle, a glossary of major patterns influencing weather and climate, a thunderstorm glossary, and background on wildfires and fire weather.
- Defense Technical Information Center
- Access for the U.S. Department of Defense and government-funded scientific, technical, engineering, and business related information listed in the technical reports collection since December 1974. Registration required to order documents.
- Department of Energy – Information Bridge
- Full-text records of Department of Energy (DOE) research and development reports in physics, chemistry, materials, biology, environmental sciences, energy technologies, engineering, etc.
- Energy Citations Database
- Citations for energy-related scientific and technical information from 1948 to the present.
- Energy Efficiency & Renewable Energy Network
- Department of Energy site which features search and retrieval of energy-related technical reports.
- EPA - Science Inventory
- Searchable EPA database of more than 4,000 scientific and technical work products.
- Federal R&D Project Summaries
- Descriptions, awards, and summaries of federally funded (Department of Energy, National Institutes of Health, National Science Foundation) research.
- NASA Scientific and Technical Information
- Site for searching and ordering NASA-produced technical literature back to 1915.
- National Science Digital Library
- Gateway to educational resources for science, technology, engineering, and mathematics.
- National Service Center for Environmental Publications
- Access to EPA publications and digital titles dealing with the environment.
- National Technical Information Service
- Site for searching and ordering over two million government-sponsored scientific and technical reports.
- Science Accelerator
- Gateway to science, including R&D results, project descriptions, accomplishments, and more, via resources made available by the Office of Scientific and Technical Information (OSTI), U.S. Department of Energy.
- Science.gov
- Selected science information from government agencies organized by topic.