By the end of this weekend's protests in Copenhagen, around 1,100 people had been arrested. The arrests, part of a pattern all week, felt like a warning: deviations from the "Hopenhagen" message will not be tolerated.
Pointing the country toward a clean energy future is going to be a big job, requiring the skills of all of us -- carpenters, metal fabricators, tool and dye makers, scientists, truck drivers, software designers, engineers and others.
The generation that is coming of age right now is gaining insight about environmental issues that were foreign to generations before them. They understand the magnitude of their decisions.