AIRNOW
Available at this site by the EPA is information concerning real time air pollution data including ozone maps and forecasts, health facts and detailed daily reports from selected states.

Airsite
This site, sponsored by University of North Carolina's Atmospheric Chemistry International Research Site for Information and Technology Exchange, offers addresses for researchers and agency sponsors for atmospheric chemistry research related to ozone formation in urban and regional areas. Visitors will also find links to atmospheric chemistry research centers and other atmospheric chemistry web sites.

Global Warming
Information and resources on problems associated with global warming; potential impacts and what can be done are available at this location, funded by the Environmental Protection Agency.

Cartographic Communication
This site, sponsored by the University of Texas at Austin, Department of Geography, offers subject areas such as: the value of maps; cartography as communication; what is a good map; basic elements of map composition; the cartographer's palette; issues of statistical generalization; problems of realizing ideals with computer systems; and into the future.

The History of Cartography
This web page, sponsored by the University of Wisconsin's Geography Department, explores the social contexts, historical functions, and technical production of maps from all cultures of the world. This page can be searched by time period and geographic area.

Map Projection Overview
This site gives an introduction to what map projections are and some of their properties which are conformality, distance, scale, direction, and area. This Web site also provides a number of different maps to view.

NationalGeographic.com
NationalGeographic.com covers discussions on different types of maps, map objectives, and tools for making maps. Visitors will also find information about sea exploration, crime mapping, as well as many of the stories covered in National Geographic Magazine. This site includes a searchable index; a map machine that contains printable maps; an atlas; satellite images along with cartography and geography links.

USGS National Mapping Information
The United States Geological Survey includes links to national mapping programs, mapping products and services, educational resources, regional mapping centers, downloadable data and links to related areas of study at the site.

GiS Timeline
"The aim of our GiS TiMELiNE is to present a visual overview of key historical events in the development and growth of Geographical Information Systems from their conception in the 1960's to the present day."

Geospatial Solutions
"Geospatial Solutions helps people benefit from GIs and related technologies by providing solutions-based case studies, technical tutorials, policy updates, news, and new product information." This site is an online magazine, and while you need to subscribe for most of its services, it provides access to some valuable articles in the Recent Issues section and links to an article index, buyer's guide, and employment opportunities in the Resources Center section.

Geographic Information Systems
"Geographic information systems (GIs) technology can be used for scientific investigations, resource management, and development planning. For example, a GIs might allow emergency planners to easily calculate emergency response times in the event of a natural disaster, or a GIs might be used to find wetlands that need protection from pollution."

The Bureau of Land Management - Geospatial Information Center
"This directory contains a miscellaneous collection of GIs utilities and some data files. The executable programs are in EXE (DOS/Windows) format. Included is a PC version of the public-domain GIs program MOSS (Map Overlay and Statistical System.). The programs were contributed by various parties and are in varying states of development."

GEOnet Names Server
"The GEOnet Names Server (GNS) provides access to the National Imagery and Mapping Agency's (NIMA) database of foreign geographic feature names. The database is the official repository of foreign place-name decisions approved by the US Board on Geographic Names (US BGN). Approximately 20,000 of the database's features are updated monthly." The National Imagery and Mapping Agency sponsors this site. Additional links to sites addressing geospatial information can also be found on this page.

Getty Thesaurus of Geographic Names On Line
"The TGN (The Getty Thesaurus of Geographic Names) is a structured, world-coverage vocabulary of 1.3 million names, including vernacular and historical names, coordinates, and place types, and descriptive notes, focusing on places important for the study of art and architecture." The Getty Center offers a searchable index, with nearly 1 million place names.

US Geographic Names Information Systems
"The Geographic Names Information System (GNIS), developed by the USGS in cooperation with the US Board on Geographic Names (BGN), contains information about almost 2 million physical and cultural geographic features in the United States. The Federally recognized name of each feature described in the data base is identified, and references are made to a feature's location by State, county, and geographic coordinates. The GNIS is our Nation's official repository of domestic geographic names information. Information about foreign geographic feature names can be obtained from the GEOnet Names Server, developed and maintained by the National Imagery and Mapping Agency."

Land Surveyor Reference Page (LSRP)
Sponsored by Huntington Technologies, Inc., the LSRP offers links to rules and regulations concerning land surveying, by state; classified ads, surveyors white pages, company yellow pages; articles of interest, professional publications; employment opportunities; GIs links and other resources pertaining to land survey topics.

Professional Surveyor Magazine
This magazine site provides an archive of previous issues and current events. It includes articles, editorials, and documents that relate to surveying.

Aquatic Network
Subject areas covered include "aquaculture, conservation and education, fisheries, limnology, maritime, oceanography, and seafood."

The Oceanography Society
"The Oceanography Society was founded in 1988 to disseminate knowledge of oceanography and its application through research and education, to promote communication among oceanographers, and to provide a constituency for consensus-building across all the disciplines of the field. The Oceanography Society is a nonprofit, tax-exempt organization incorporated in the District of Columbia."

Physical Oceanography Distributed Active Archive Center
This site offers distributed data relevant to the physical state of the oceans. There are links to sites pertaining to the history of physical oceanography, temperature, and other topics connected to this subject.

Woods Hole Oceanographic Institute
"The Woods Hole Oceanographic Institute is a non-profit research facility dedicated to the study of marine science and to the education of marine scientists." The Woods Hole Institute offers information about oceanography, employment opportunities, new technology, climate reports, coastal briefs, seismology data, as well as frequently asked questions and more.

NASA's Observatorium
NASA's Observatorium offers a full-text search engine with the ability to search all pages at this Web site and contains information over subjects such as aeronautics, educator's resources, fun and games, image gallery, planet earth, space flight and space science.

Remote Sensing and Geospatial Analysis Laboratory
The Remote Sensing and Geospatial Analysis Laboratory at the University of Minnesota "is intended to provide information about the research, education, and outreach activities of the RSL to researchers, students, and natural resource professionals."

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Atlantic Oceanographic and Meteorological Laboratory
Locate information on hurricanes and tropical meteorology, climate, ocean/atmosphere chemical exchanges, and the coastal ocean at this site.

Global Change Master Directory
Sponsored by NASA, this page supplies access to a comprehensive source of information about earth science, environmental, climate, and global change data holdings available to the scientific community throughout the world.

NOAA CoastWatch Great Lakes Node
The CoastWatch Program maps the US coastal oceans four times daily, providing data and imagery to federal, state, and local agencies, academic institutions and the public. CoastWatch is sponsored by the National Oceanic and Atmospheric Administration.

Storm Prediction Center
For the most current severe and hazardous weather forecasts for the continental US, as well as current and historical tornado, hail and wind data, look at the Storm Prediction Center.

Weather.com
This is the online version of the Weather Channel. Here you can locate local, national and international weather, weather maps, storm warnings and breaking weather.

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