Welcome to Iowa Public Television! If you are seeing this message, you are using a browser that does not support web standards. This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device. Read more on our technical tips page.

Iowa Public Television

 
  • PBS NewsHour

PBS NewsHour | NASA Study Links Extreme Summer Heat to Climate Change | PBS

Duration: 05:24
Program: PBS NewsHour
Broadcast Date: Aug. 6, 2012

A new statistical analysis from NASA reveals that the extreme summer heat felt by many Americans this year is the result of global warming. Hari Sreenivasan talks to Columbia University's James Hansen who says the greatest barrier to public recognition of human-made climate change is the natural variability of local climate.

Tags:

Topics:

Post Date: August 6, 2012