| Abandoned_Mineral_Lands_in_the_U_S__National_Parks About the legacy of mining in the national parks, the environmental impacts of mining, and the hazards associated with abandoned mine lands. Many photos. |
| CANMET_Environment_Laboratory Canadian government institution that addresses the environmental concerns of the minerals and mining industries, including effluent processing, safe disposal of waste materials, and decommissioning of |
| Centre_of_Excellence_for_Sustainable_Mine_Lakes The Centre, located in Western Australia, is a research hub creating smart mine lakes that are of value to communities, the environment and the economy. |
| Defenders_of_Weetootla Activist site describes basis for opposition to magnesite open-cut mines in the Gammon Ranges National Park in South Australia. |
| Environmental_Processes_that_Affect_Mineral_Deposits_in_the_Eastern_United_States Describes USGS research efforts on environmental aspects of massive sulfide mineral deposits. These have a high potential for adverse environmental impact due to high sulfide content and low acid-b |
| Mine_Water_Research_at_The_University_of_Newcastle About research on the hydrochemistry, hydrogeology, and treatment of mine effluents. |
| Mineral_Resources_Forum An Internet framework for international co-ordination on the theme of minerals, metals and sustainable development. News and information about mining and the environment world-wide. |
| Mines_and_Communities_Website News and other information, including the Minewatch and Partizans archives, intended to empower activists and those affected by global mining trends, particularly in the Pacific region. |
| No_Crandon_Mine Site provides links to organizations opposed to, and information about, the proposed Wolf River Crandon mine in Wisconsin |
| Oxfam_Community_Aid_Abroad__The_Mining_Campaign Monitoring Australian mining companies' impact on the environment and vulnerable communities. |
| Reclamation_of_Phosphate_Mining_Sites Nature of soils and commercial tree planting on phosphate mining clay settling pond areas. Explains challenges and procedures for achieving land reclamation of such artificially altered areas. |
| Sudbury_Soils_Study_-_Sudbury,_Ontario A public process that will evaluate the levels of metals and chemicals such as nickel, copper, cobalt and arsenic in the local environment. |
| Tailings_Info Articles and other information about mine tailings management and disposal, including accidents, case studies, and announcements of conferences. |
| U_S__EPA_--_Mining_Wastes Acid rock drainage and other topics related to metals mining and the environment. |
| USGS_Abandoned_Mine_Lands_Initiative Detailed plans, pictures, data and reports of the USGS initiative to remediate the contamination left at abandoned mine sites at the Boulder River basin in southwestern Montana and the Upper Animas Ri |
| Visual_Impacts_of_Mining Paper on visualization of the visual impacts of mining and quarrying. |
| USGS_Plasenzuela_Project Background and preliminary findings of a US-Spain study of the environmental impact of the Roman mineral industry at Plasenzuela, Extremadura, Spain. (September, 1997) |
| AccessScience Online version of McGraw-Hill Encyclopedia of Science and Technology. Articles, current news and research updates, biographies of leading scientists through history, and internet links in a wide range |
| The_Best_Science_Books A listing of "the one hundred most important books of the millennium." |
| EurekAlert! Online science source from the AAAS providing news about recently published works of researchers and scientists. |
| Jupiter_Scientific_Book_Review Reviews and links to Amazon for some popular science books. |
| A_Positron_Named_Priscilla__Scientific_Discovery_at_the_Frontier Complete text of the book written by members of the National Academy of Sciences, that profiles investigations by leading young scientists. |
| Reviews_of_Books_about_Science Phillip Manning reviews science books for newspapers. This site contains many of those published reviews and selected essays. |
| American_Welding_Society Devoted to promoting welding and related processes, and to supporting all those who contribute to the industry, with links to related sites and services. |
| Applied_Welding Quarterly online magazine with information about the latest process and product technologies. Past issues available. From Miller Electric Mfg. |
| Bohler_Thyssen_Welding Customer support and training, technical hot line, help on welding. |
| CWT_National_Welding_Certification_Testing_Bureau Serve the welding industry, and help maintain the publics safety through the administration and issuance of certifications and accreditations in welding, or inspection and testing. |
| Edison_Welding_Institute A non-profit engineering and technology resource organization serving the welding and joining needs of industry. Expertise in processes from arc welding to adhesive bonding and materials ranging from |
| Hobart_Institute_of_Welding_Technology Committed to helping individuals develop marketable welding skills through quality training at minimum cost. |
| The_Navy_Joining_Center A national resource committed to developing, deploying and disseminating materials joining technology to the U.S. Navy, its contractors, and U.S. industry. |
| Pulsar_Cold_Magnetic_Pulse_Welding A basic tutorial on how the magnetic pulse system works. |
| Quality_Control_of_Resistance_Welding Information about the quality control of resistance welding using non-destructive evaluation, statistical process control and adaptive control systems. Resistance welding literature, troubleshooting i |
| Research_Group_on_Welding_Modeling_at_Penn_State Develops computer models and new experimental tools to solve materials processing problems, especially the application of transport phenomena to quantitatively understand metals processing, particular |
| Resistance_Welding List of resources and suppliers. |
| TWI_-_World_Centre_for_Materials_Joining_Technology Industry organization with database on welding processes, properties of welded joints, weldability of materials and other allied technologies. Case studies from many industrial area. Software, FAQs an |
| Welding_and_Cutting Technical, scientific, magazine covering welding, cutting and soldering technology and related fields. |
| Welding,_Bonding_and_Fastener_Engineering_Forum_at_Eng-Tips Technical support forums and mutual help system for engineering professionals. |
| Welding_Extensions The history, uses and the economics of welding rod extensions. |
| Welding_Links Some useful links to various welding sites. Some technical information. |
| Welding_Technology_Institute_of_Australia Welding and joining technology support centers for Australian industry. |
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We are a Canadian firm of Ontario based engineers, economists and environmental consulting specialists. In one stop, we can help you find the right sustainable energy solutions for our communities, businesses and industry. Since 1988, SGA Energy consultants has provided professional engineering and socio-economic services to address sustainable energy issues in Canada and over 15 developing countries. 
Our technology expertise and experience go worldwide. 
1. We provide pre-design, design consulting and project management services for an array of sustainable energy options that include energy efficiency in commercial buildings and renewable energy technologies(small hydro, wind, biomass, and solar). 2. We are energy specialists in rural electrification working both on and off-grid to plan the most practical and cost effective solutions in Canada and the developing world. 
After a successful RETScreen training session in Stratford Ontario in early November 2007, SGA has been named Business Member of the Month by the Ontario Sustainable Energy Association (OSEA). OSEA was one of the foremost participants in the session and plans to pass on its new knowledge of RETScreen to its many community-based members across Ontario. Concern is growing today about the effects of climate change on the planet. SGA Canada has been working for nearly two decades on practical solutions to global warming and our excessive use of fossil fuels. We are active in Canada and the developing world bringing our unique services in energy efficiency and renewable energy to clients. No problem is too big or small; we work with international organizations, national governments and energy utilities on sustainable energy programs and policy issues as well as with small communities, commercial buildings and landowners on specifying the correct renewable energy resource or energy efficiency options. We identify the skills and resources needed to solve your energy related issues and problems within the time and budget requirements. If SGA doesn't have the resources in-house we work with our extensive network of proven specialized professional consultants, built up over our 20 years of project management experience. SGA is a multidisciplinary firm having expertise and capability with a range of disciplines. Primarily we are consulting engineers. We develop projects and manage them to completion. We combine, however, our technical background in rural electrification, renewable energy and efficiency with a range of other capabilities. These include: micro economic analysis public participation and social market survey techniques socio-economic development (including gender, health, the environment and income generation) capacity building and training modelling and model development environmental impact greenhouse gas reduction opportunities 
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Canadian consultants with international experience Environmental consulting Energy efficiency project management Biomass & wind energy consultants Energy policy development Quantifying energy issues & risks Evaluation & performance monitoring Concerned with environmental impacts? We are specialists in climate change and greenhouse effect issues. Our clean energy project experience is linked closely with reducing the impact of climate change on our environment. SGA Energy Limited has been part of the ongoing development of the Canadian national Greenhouse Gas (GHG) inventory since its inception in the early 1990's. We provide consulting services to improve GHG emissions from industrial and government sources and to implement Clean Development Mechanisms. Want to know the impact on markets? SGA Energy Canada has the expertise to conduct market analysis for industry, governments and not-for-profit organizations. Concerned about energy and development issues? Our energy consulting practice has experience in over 15 developing countries, in urban and rural areas, evaluating green energy technologies, developing and implementing sustainable energy programs, building capacities and directing policy. Looking for assurance about sustainable energy technology? We regularly provide due diligence services to financial agencies, government, non-governmental agencies and industry. And that’s not all… We provide modelling, training, faciltation services. 
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