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Mining traditionally has destroyed vegetation and topsoil as it takes minerals from the ground. New techniques and increased environmental awareness has recently led to new land reclamation experiments. Adding earthworms and bacteria to restore the land is one such venture. Highlights bioremediation--using living organisms-- to clean up heavy metals left as mining residue.
(Source: DCMP)
Explains the science behind the workings of a nuclear power station. The basic version explores what fission is; the role of cooling water in nuclear reactors; the nuclear fuel cycle on mining, milling, enrichment, fabrication, and spent fuel on storage and reprocessing; and other uses of nuclear energy, including "non-power" uses. The advanced version expands on this information with a specific example of a fission reaction; the use of water to vary reactor power; different methods of mining uranium; a detailed discussion of enrichment, including structure and properties of uranium hexafluoride; and two methods of enrichment: centrifuging and gas diffusion.
Five children explore the bottom of a mine to learn about minerals. From the Kool Books series narrated by Hector Bonilla.
The Boreal Forest in Northern Canada is the bird nursery for North and South America. The birds and ducks that migrate to the forest are in danger from logging and mining in the area. Conservationists have seen numbers decline over the years, and they have established the Boreal Songbird Initiative to track the health and numbers of the birds’ migrations. Segment of video from Wild Chronicles Series.
