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2-year delay for new Alaska mines

The U.S. Interior Department has announced a two-year delay of several orders issued by the Trump administration that looked to open 28 million acres of land in Alaska for mineral development.

Winners of $20M contest make concrete to trap CO2

By MEAD GRUVER

Los Angeles-based CarbonBuilt used carbon dioxide to cure concrete, trapping it in a process that also emitted less of the greenhouse gas compared with traditional cement production.




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