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Companies to watch in green tech: Recycling

If it smells, it sells. That could be the motto for a new wave of business efforts looking for good, new ways to use old stuff.

By April 21, 2008


Another carbon sequestration idea: Turn it into chalk

Carbon Sciences says it can transform the ubiquitous greenhouse gas carbon dioxide into a harmless solid fairly cheaply. We shall see.

By February 20, 2008


Alberta to invest big in carbon capture

The Canadian province is going to be one of the first to pay big bucks to bury its fumes.

By January 25, 2008