This is the United States Department of State's Global Environmental Issues web site. The site contains copies of recent publications, reports, press briefings, fact sheets, and other types of documentation regarding current global environmental issues and policy. The site also contains an extensive bibliography of environmental resources and links to all types of related sites. Included are official ... Full description.

The Environmental Protection Agency's (EPA) Office of Water distributes documents (at no charge to the customer) through two different Centers: the Water Resource Center (WRC) and the National Service Center for Environmental Publications (NSCEP). This service provides access to EPA Office of Water documents arranged by title, EPS publication number, audience type, document type, keyword, or EPA office. ... Full description.

A broad collection of mathematical bibliographies and links to pages explaining important concepts. One highlighted feature is a link to Euclid's 'Elements', which contains all 13 books and illustrated figures. Another interesting attribute is a link to the famous 1900 speech of David Hilbert, a leading twentieth century mathematician, in which he addressed the International Congress of Mathematicians ... Full description.

This web article is a March 2000 report from Why Files about the risk of a catastrophic impact from space objects such as asteroids and comets. It cites a presentation at a national scientific meeting, which stated that asteroid impacts over the past 10,000 years had a hand in shaping the climate and the nature of civilization itself. Why Files staff interviewed seven scientists, both pessimists and ... Full description.

This staff paper from the National Weather Service's Northeast River Forecast Center explains Quantitative Precipitation Forecasting (QPF) and its importance in river forecasting. It includes a primer on areal precipitation, point vs. mean areal precipitation, and a bibliography. Full description.

This guide to global climate change is a resource for geology, geography and environmental science students. It is not a complete guide but serves to review and illustrate the key factors of climate change over time and space. Each chapter is a broadly self-contained discussion of a specific sub-issue of importance. Chapters 1 and 2 review the climate system and the causes of climate change. Chapter ... Full description.

Prepared by scientists who themselves have excelled in chemistry despite physical disabilities and experts on disability issues, this book is noted for its sensitivity to the underlying desires of almost every student with a physical disability. It provides information about a variety of successful classroom and laboratory accommodations for students with disabilities. In many instances, the accommodations ... Full description.

This academic paper identifies three main factors that cause individuals with disabilities to be under-represented in science, engineering, and mathematics fields: preparation of students with disabilities; access to facilities, programs, and equipment; and acceptance by educators, employers and co-workers. This paper explores the role of information technology, describes a campus program designed ... Full description.

This museum site offers general information about science fairs, including links to information about the scientific method, Ask an Expert sites, where to get supplies, and ideas and sample projects. The Teacher Resources section provides links to judging sheets, evaluation criteria, and flow charts on organizing a science fair. Also included is a list of books, videos, software, and other resources. ... Full description.

This United States Geological Survey (USGS) publication discusses gold prospecting in the US. The history of prospecting is covered, as well as where in the US gold can still be found and accounts of successful gold mining. Deposits of gold are also explained, including placer deposits and lode gold. Selected references for additional reading are given. Full description.