If you cannot find the kind of image you are looking for, try using one of the Web's big image search sites such as Google Image Search.

• AMRC "Iceberg" Page.  Page of recent Iceberg images from the Antarctic Meteorology Center, a research group at the University of Wisconsin - Madison's Space Science and Engineering Center.
• Climate Change Research Center's Photo Gallery.  Collection of images from some of the projects undertaken around the world by the Climate Change Research Center at the University of New Hampshire, Institute for the Study of Earth, Oceans, and Space.
• Department of Agriculture (USDA)
  • National Agricultural Library Special Collection
    • Curtis, William. The Botanical Magazine
    • Historical Forest Service photographs
    • Pomology (fruits and nuts)
    • Catesby, Mark. The Natural History of Carolina, Florida and the Bahama
  • USDA Agricultural Research Service Library
  • US Forest Service, Photo and Video Gallery
  • Natural Resources Conservation Service Photo Gallery.
• Department of Interior:
  •  US Geological Survey, Earth Resources Observation Systems (EROS) Data Center. Includes Earthshots: Satellite Images of Environmental Change.
• Department of Energy (DOE):
  •  Office of Science, Image Gallery
  • Photographic Information Exchange (PIX). The Photographic Information eXchange (PIX) collection consists of renewable energy and energy efficiency technology photographs. The collection was developed and is maintained for the Department of Energy (DOE) at the National Renewable Energy Laboratory (NREL) in Golden, Colorado. PIX is part of NREL's Information Clearinghouse (NICH).
  • energy.gov - Photo Gallery From this Department of Energy website you can download photos.  There are historical images of test sites as well as current photos of different energy laboratories, including the National Renewable Energy Lab.  If you are preparing a presentation related to energy, you will certainly find something useful here.  (link updated 28 March, 2001)
• Ditto.com.  Search the web for graphics.
• Earth Science World ImageBank
• El Niño Cartoons.  From the Center for Ocean-Atmospheric Prediction Studies.
• Environmental Protection Agency, Great Lakes National Program Office, Visualizing the Great Lakes.  Images of a Region. 
• European Space Agency:
  • Multimedia Gallery. 
• Federal Emergency Management Agency (FEMA) Photo Library.
• Intergovernmental Panel on Climate Change:
  • Powerpoint files containing the figures from the Summary for Policymakers (SPM), Technical Summary (TS), and individual chapters of Working Group I's contribution to the Fourth Assessment Report (Climate Change 2007: The Physical Science Basis)
  • Presentations and Graphics
  • Selection of Figures from Various IPCC Reports.  Selection of Figures from Various IPCC  Reports.
• Iowa State Entomology Index: Images
• Library of Congress: Photographs from the Library of Congress, Prints and Photographs Division
  • Includes America from the Great Depression to WW II, Photos from the FSA and OWI, 1935-45.

  • American Environmental Photographs (American Memory, Library of Congress) This collection consists of approximately 4,500 photographs documenting natural environments, ecologies, and plant communities in the United States at the end of the nineteenth and the beginning of the twentieth century. Produced between 1891 and 1936 by a group of American botanists generally regarded as one of the most influential in the development of modern ecological studies, these photographs provide an overview of important representative natural landscapes across the nation.  (link updated 12 April, 2001)

  • Learn More: American Environmental Photographs - Summary Page This website will link you to more information about the environmental photograph collection.  You can find related collections and exhibits, more information on historical eras, special presentations, and tips for finding items in American Memory.  (link updated 12 April, 2001)

  • Learning Page: The Northern Great Plains, 1880-1920: Summary This collection contains 900 photographs of rural and small town life at the turn of the century. Highlights include images of sod homes and the people who built them; images of farms and the machinery that made them prosper; and images of one-room schools and the children that were educated in them.  (link updated 12 April, 2001)

  • Learn More: Pioneering the Upper Midwest Summary Page  This collection includes records of the land and its natural resources; conflicts between settlers and native people; as well as the experience of pioneers, missionaries, soldiers, immigrants, and reformers. The collection also documents the growth of local communities and cultural traditions and the development of regional agriculture, business, religion, politics, and education.  (link updated 12 April, 2001)

  • Learning Page: Voices From the Dust Bowl Summary Page  This collection contains audio recordings, photographs, manuscript materials, publications, and ephemera generated during two documentation trips to migrant worker camps in California. Documented are dance tunes, cowboy songs, traditional ballads, square dance and play party calls, camp council meeting conversations, and storytelling sessions of Dust Bowl refugees who inhabited the camps.  (link updated 12 April, 2001)

• National Center for Atmospheric Research (NCAR) Digital Media Catalog
• National Aeronautics and Space Administration (NASA)
  • NASA Image eXchange.
  • Ames Research Center Image Archive.
  • Coral Reef Health Survey.  Posting from NASA Ames Research Center. 
  • Visible Earth
  • NASA Multimedia Gallery.
  •  Goddard Space Flight Center.
    • New Images from the Earth Observatory
    • Goddard Space Flight Center (Greenbelt, Maryland), Total Ozone Mapping Spectrometer(TOMS) Home Page's Multimedia Collection. Includes GIFs, Quicktime movie and audio files.
    • TOMS Multimedia Files
    • Landsat-7 Earth as Art Gallery
  • Jet Propulsion Laboratory:
    • Ocean Surface Topography from Space
  • ARM (Atmospheric Radiation Measurement Program) Photos and graphics.
• National Institutes of Health (NIH): 
  • Public Health Image Library.  "Created by a Working Group at the Centers for Disease Control and Prevention (CDC), PHIL^TM offers an organized, universal electronic gateway to CDC's pictures. We welcome public health professionals, the media, laboratory scientists, educators, and the worldwide public to use this material for reference, teaching, presentation, and public health messages. The content is organized into hierarchical categories of people, places, and science, and is presented as single images, image sets, and multimedia files." 
  • Images from the History of Medicine.  From the National Library of Medicine
• National Oceanic and Atmospheric Administration (NOAA)
  • NOAA Photo Collection.  On any given day NOAA personnel could be chasing tornadoes, flying into hurricanes, battling stormy seas, tagging turtles and whales, taking scientific readings at the South Pole, monitoring the health of coral reefs, or engaging in virtually any task that can be thought of related to monitoring our environment and the health of our planet.  It's all documented on this amazing page containing thousands of photo images.  The images can be viewed by album, by catalog, or individually through a keyword search function.  (link updated 27 March, 2001). 
  • National Snow and Ice Data Center.  NSIDC was established by NOAA in 1982 to serve as a national information and referral center in support of glaciological research. Mission is to make fundamental contributions to cryospheric science and excel in managing data and disseminating information in order to advance understanding of the Earth system
  • GFDL Gallery. Hurricanes, Global Warming, Radiative Transfer, Stratospheric Processes, El Nino, Cyclones/Storms.
  •  
  • NCDC Climate Visualization.  
  • National Climatic Data Center.  
    • Satellite's Eye Art Gallery
  • Paleoclimatology Program, Educational Slide Project  Each set of 20-40 slides includes vivid photographs of field research conducted around the globe, high-quality graphics of important data sets, and descriptive diagrams, making these sets ideal instructional aides. Eight slide sets, including tree rings, ice cores, and coral paleoclimatology, are described.  This is a great site for educators especially at the advanced high-school or college level to learn about high-quality visual aids for climate change or environmental education.  (link updated 27 March, 2001).
  • US Outlook Maps, Graphs & Tables."The Climate Prediction Center (NOAA/CPC) is responsible for issuing seasonal climate outlook maps for one to thirteen months in the future. In addition, CPC issues extended range outlook maps for 6-10 and 8-14 days as well as several special outlooks, such as degree day, drought and soil moisture, and a forecast for daily ultraviolet (UV) radiation index. Many of the outlook maps have an accompanying technical discussion." (link updated 23 October 2000)
• National Science Foundation
• World View of Global Warming.  "The photographic documentation of climate change by Gary Braasch." 
• Photoshare. Johns Hopkins Center for Communication Programs.  A database of photographs available for non-profit educational use.
• Polar Image.  Sky photos by Finish photographer, Pekka Parviainen.
• Science Magazine's "NetWatch" Articles on Images.   Noteworthy sites providing access to science illustrations.
• Smithsonian Photographs Online.
• United Nations
  • Greenhouse Gas Emission Graphics. "This set of graphics has been produced by GRID-Arendal in co-operation with the secretariat of the United Nations Framework Convention on Climate Change (UNFCCC) for the 7th Conference of the Parties (COP-7) to the Convention, held in Marrakesh, Morocco 29th October to 9th November 2001."
  • UNEP/GRID-Arendal - Maps and Graphics of Environmental Issues
• United States Joint Global Ocean Flux Study.  Image Gallery.
• University of Washington Libraries, Digital Collections
• Weather Photography.  Site maintained by photographer Harald Edens.
• Weatherstock Photo Agency. "Worlds only stock photography agency specializing in weather related images, film and video footage." This site is for commercial clients. 
• World Bank, MultiMedia Products.