Cutting CO2 vs Human Behavior

In a review of Jeff Goodell's and Eli Knitsch's books on geoengineering, Bill Gifford nails it:

...human behavior isn't always driven by fear of long-term consequences, as anyone who's ever had a hangover knows. We've been doing as we please for centuries; it's a lot to expect us to change our consuming, polluting ways enough to make a difference.