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Rio Tinto shuts smelter, blames rising energy costs

The aluminum market may soon see prices rise, or at least find a floor, as mining companies find that rising energy costs and low prices for the metal are a toxic mix. Metals mining giant Rio Tinto PLC RIO announced Wednesday that it will close its nearly 40-year-old Lynemouth smelter in Northumberland, England.

Kansas, Texas residents weigh in on Keystone pipeline

several hundred people showed up on Parliament Hill to protest the pipeline plans and the growth in the oilsands industry. The demonstration was organized by Greenpeace and other groups who say the pipeline from Alberta to Texas is harmful to the