Climate Change & Global Warming

The annual average concentration of carbon dioxide (CO2) in the atmosphere stood at 395.3 parts per million (ppm) in 2013—a 27 percent increase compared to conditions before the Industrial Revolution. On May 9, 2013, the daily average concentration of CO2 surpassed 400 ppm for the first time at the Mauna Loa Observatory in Hawaii.

August 2013

  • (video) Chief Meteorologist Jim Gandy, at WLTX in Columbia, SC, earned his reputation as a leading TV meteorologist by giving his viewers what they want: sound science and interesting visuals in a delivery style that's crisp and easy to understand.  Recently, Gandy expanded his reports to include locally focused climate science information on topics that directly touch viewers' lives.  No controversy here, says Gandy, just good community service. 
     

  •  Since 1976, every year has been warmer than the long-term average, and 2012 continued the trend: the global surface temperature ranked among the top 10 warmest years on record.