Chemical elements and element groups
Cobalt-For strength and color [ More info] Explains how we use cobalt, where it comes from, and whether we have enough available.
Conflict minerals from the Democratic Republic of the Congo--Gold supply chain [ More info] Describes the source and processing of this commodity, with special emphasis on countries where armed groups are involved in the supply chain.
Conflict minerals from the Democratic Republic of the Congo: global tantalum processing plants, a critical part of the tantalum supply chain [ More info] Describes how tantalum is produced for the global economic market, including a list of the processing plants generating industrial tantalum products.
Conflict minerals from the Democratic Republic of the Congo: global tungsten processing plants, a critical part of the tungsten supply chain [ More info] Information about tungsten processing plants to help identify risks associated with the supply of this strategic resource and support decision making related to mineral supply.
Conflict minerals from the Democratic Republic of the Congo: tin processing plants, a critical part of the tin supply chain [ More info] Describes the production and processing of tin with emphasis on the potential of the Democratic Republic of the Congo. Includes a list of tin refineries and smelters worldwide.
Copper - A Metal for the Ages [ More info] Sources, uses, and patterns of consumption of copper worldwide
Corals as climate recorders [ More info] Shows how coral reef specimens are collected, the type of information gained from them, and the methods by which they are measured and studied to understand recent (past few centuries) changes in climate.
Emissions from Coal Fires and Their Impact on the Environment [ More info] Reviews how coal fires occur, how they can be detected by airborne and remote surveys, and, most importantly, the impact coal-fire emissions may have on the environment and human health, especially mercury, carbon dioxide, carbon monoxide, and methane.
Environmental effects of historical mining in the Animas River watershed, southwestern Colorado [ More info] History and summary maps showing metal concentrations downstream of the mining area.
Environmental mercury mapping, modeling, and analysis [ More info] Online tools for mapping mercury data in the environment, with downloadable data from monitoring studies
Alphabetical Index of Topics
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