Crossroads for Planet Earth: Scientific American Special Edition

The human race is at a unique turning point. Will we choose to create the best of all possible worlds? Can we plan for a bright future beyond 2050? The population peak - Energy solutions - The new face of disease - Water and wealth - How to save species -Ending poverty. Demographically and economically, our era is unique in human history. Depending on how manage the next few decades, we could usher in environmental sustainability--or collapse. Obtain via www.sciam.com or Scientific American Digital.