Clear, concise, and well-balanced, with a strong "can do" attitude. You'll gain some wisdom about climate and energy politics, as well as a solid sense that something, many things actually, can be done to mitigate environmental catastrophe.
Barnes presents the available options for reducing CO2 emissions and evaluates each according to three core criteria:
1. How effective does the policy solve the problem?
2. Whose interests does the policy serve?
3. What principles does the policy advance?
( I'd say these are necessary criteria for evaluating any government policy, not just environmental policy. )
The problem, as Barnes urges us to consider, is not just anthropogenic climate change due to CO2 emissions. The problem centers on market failure -- a successful free market would price fossil fuel usage in a manner that accounts for carbon-based pollution. As no party lays exclusive claim to the Earth's atmosphere, therefore keeping the atmosphere in commons with all Earth's inhabitants, no obvious transaction takes place when pollutants like CO2, NO2, or SO2 are released. The market fails to price these emissions and, since they damage the atmosphere and climate, everyone suffers.
So a market failure means fundamental changes surrounding the practices involved (eg. burning fossil fuels to sustain human endeavors) must take place. How can we do that in a fair and equitable manner? How can we do that without compromising our principals and way of life?
Barnes gives answers, they make sense, and they do not involve draconian measures even if they require, like all human activities, some compromise.
Read and learn some options!