E-Book Tipping Point
Amazon.com says e-books have begun out-selling hardcover and paperback books combined. Climate titles that don’t have an e-book edition are now at a serious disadvantage.
Three Cheers for New Tech
When people in affluent counties embrace new technologies we’re helping to make the entire world a better place. Really.
The Horse Manure Problem
In the late 1800s cities were drowning in smelly, dirty, disease-spreading horse manure. The private automobile was a huge step forward, environmentally-speaking.