A new report says traffic in the U.S. is worse than it's been in years. But some say there are reasons to be optimistic. For this month's Environmental Outlook: How revitalized urban centers and new modes of transportation are changing how we get around our cities.
Ethnobotanist Mark Plotkin and co-author Michael Shnayerson detail the emergence of drug resistant bacteria and the health threat we face as a result, as detailed in their book "The Killers Within" (Little Brown).
- Mark Plotkin Author and Ethnobotanist
- Michael Shnayerson a contributing editor to "Vanity Fair," and author of several books, including "The Car That Could" and "The Killer Within."
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