"Scientists are beginning to look for a Plan B. There are two distinct approaches under consideration—sucking carbon out of the atmosphere, or creating an artificial sun shield for the planet. The former, which involves reversing some of the very processes that are leading to the climate problem, is expensive. The latter just sounds scary. David Keith, a leading thinker on geoengineering, calls it 'chemotherapy' for the planet. 'You are repulsed?' he says. 'Good. No one should like it. It's a terrible option.'"
—If you happen to be feeling too wildly optimistic about the future of mankind today, this Foreign Policy article exploring alternatives to our failing attempts at cutting carbon emissions ought to fix that right up for you. [Via]