Sep 6, 2012 Global food prices are expected to rise in the long term as population grows, but a new study warns that severe weather events like this year's drought in the U.S. could spike prices higher suddenly.
Jul 30, 2012 Commentator Mark Bittman says industrial meat production accounts for at least one-fifth of greenhouse gas emissions.
Jul 26, 2012 The latest study on the unprecedented loss of ice covering the Arctic says it is 70 percent the result of human-caused climate change.
Stacey Vanek Smith
Jul 12, 2012 As people stop using pay phones, New York launches plan to convert the booths into Wi-Fi hotspots. Watch out for sidewalk gridlock.
Jul 10, 2012 Small apartments and even smaller CEO tenures make for a "micro" news day.
Jul 10, 2012 Transit ridership across the U.S. has been steadily rising for more than a year. One of the biggest jumps came in Indianapolis.
Jul 6, 2012 Three days of extreme heat in Chicago in 1995 caused over 700 deaths. New York University professor Eric Klinenberg talks about what we've learned from that catastrophe.
Jun 19, 2012 Yvo deBoer, co-writer of the original Kyoto Protocol, talks about the Rio+20 Earth Summit, how climate change is being perceived in the global community, and names a surprising country that's making the best sustainable efforts right now.
Jun 5, 2012 Writers at the web magazine Brokelyn say banning Big Gulps isn't enough.
May 31, 2012 The mayor of New York City, Michael Bloomberg, says he plans to propose a municipal ban on sales of large-size sugary beverages at restaurants, delis and movie theaters.