http://freshwater.unep.net/

The United Nations Environment Programme (UNEP) addresses the issue of how the decline in the quantity and quality of the world's freshwater resources "may prove to be the dominant issue on the environment and development agenda of the coming century." Users can learn about water scarcity, water and sanitation, water quality, groundwater, floods and droughts, and other key water-related issues. The website provides links to case studies of some of these key issues such as the mitigation of the impact of urbanization on freshwater resources in Africa. Researchers can find conference proceedings, information on institutions and programs dealing with water resource issues, and policy documentation. [RME]

http://www.wcc.nrcs.usda.gov/

The National Water and Climate Center, a division of the National Resources Conservation Service (NRCS), offers the latest water and climate news and information "to help people conserve, maintain, and improve our natural resources and environment." Users can receive water supply forecasts, snow data, and the latest program updates. The web site introduces the Soil Climate Analysis Network (SCAN), which is available for most of the United States, and the SNOTEL Data Network, which supplies real-time Snow and Climate data in mountainous regions in the Western United States. Researchers can obtain copies of many of the hydraulics and hydrology tools and models including HecRas, which estimates water surface profiles, and EFH2, which determines peak discharge. The site provides an abundance of conservation planning information about nutrient, pest, animal waste management, and salinity management, as well as water quality, wetlands, and drainage. [RME]

http://www.epa.gov/air/data/index.html

The AirData Web site provides access to air pollution data for the entire United States. Users can discover the highest ozone levels in their state, where sources of air pollution are located, and much more. The Environmental Protection Agency offers annual summaries of air pollution data from two databases: Air Quality System (AQS) and the National Emission Inventory (NEI). Users can discover the chemicals whose emission levels are monitored as well as the chemicals that are created in the atmosphere. By selecting the desired factors, users can easily generate a map or report of air pollution data. [RME]

http://www.spaceflightnow.com/index.html

Space Flight Now offers the latest space news from around the world. Visitors can discover information on current missions, launch schedules, and mission reports. Along with providing the space news headlines, the web site supplies news archives so people can catch up on the activities of the space science world. Visitors can enjoy video footage from cameras onboard recent rocket launches. While users do have to subscribe to obtain many of the videos and audio recordings, individuals can benefit from the free up-to-date astronomy news stories and a few videos. [RME]

http://www.uni-wuerzburg.de/mineralogie/links.html

The Institute of Mineralogy, University of Wurzburg offers "subcategorized, annotated lists of web sites, especially for mineralogists, petrologists, crystallographers," and geologists at this website. Educators can find innumerable links to lecture notes and tutorials. Besides finding links explaining geologic concepts, users can locate helpful websites containing databases, glossaries, software, employment opportunities, and much more. Individuals who visit this website often can check out the What's New link to discover the newest geology links. [RME]

http://www.drought.unl.edu/dm/index.html

The Drought Monitor is "a synthesis of multiple indices, outlooks and news accounts, that represents a consensus of federal and academic scientists." The National Drought Mitigation Center offers drought maps of current conditions, short-term and long-term drought indicators, and animations of the United States. Land managers can view climate outlook maps for about the next 12 months. Researchers can find archived data of droughts since 1999. Users can learn about the National Drought Mitigation Center involvement with the North America Drought Monitor cooperative effort. [RME]

DGPS Service
http://cdgps.gdbc.gov.bc.ca/index.shtml

"The CDGPS Remote Monitoring Station (CDGPS-RMS) was conceived to provide an on-line (via the Internet) review of the real-time wide-area GPS corrections broadcast by the Canada-wide DGPS (CDGPS) service." Visitors can find information about the station's position, hardware, and limitations. The website provides live RMS access to a scatter-plot view of the GPS reported fixes, a graph of the trend of position component errors over time, and a statistics tabulation of the fixes and accuracies. Users can access past corrections at the Archives link. [RME]

http://www.soest.hawaii.edu/GG/hcv.html

At this website, individuals can learn how the Hawaii Center for Volcanology is working to realize its goal of bringing together experts from around the state of Hawaii in order to better understand the Hawaiian volcanoes. Users can obtain information on the geography, geology, and eruptive history of Mauna Loa, Kilauea, Loihi, Hualalai, Mauna Kea, and Waianae. The site supplies an online version of Titus Coan's enlightening book Life in Hawaii, which is about his observation of active volcanism in the 19th century. Visitors can enjoy the many spectacular images of lava channels, lakes, jets, and much more. [RME]