100 years ago, Titanic's Captain Smith steamed ahead full speed, despite iceberg warnings. By time the fatal 'berg was visible, it was too late to turn the big ship. Today, the looming hazard is global warming. Will we heed the warnings in time to change course?
“Is heart surgery preferable to a good diet? Of course not. Let’s go for the good diet.”—Bill Gates, on geoengineering.