TEMPERATURE AND CO2 FOR LAST 1,000 YEARS
Digital Art on Metal 30" W X 24" H
WHAT'S ALARMING
CO2emissions and temperatures had been relatively stable over most of the last 1,000 years, but have increased dramatically over the last 100 years.
This figure appears in chapter 33 of the Climate Change Impacts in the United States: The Third National Climate Assessment report. http://nca2014.globalchange.gov/report/appendices/climate-science- supplement/graphics/heat-trapping-gas-levels
Scripps Institution of Oceanography and NOAA Earth Systems Research Laboratory). This figure was created on November 19, 2013.
This figure was derived from Climate Change 2013: The Physical Science Basis
References :
• 1 Climate Change 2007: The Physical Science Basis. Contribution of
Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (f2b357c2)