Temperature over time Human Carbon Emissions over time
Temperature & CO2 CO2 & Human Carbon Emissions
Temperature & Solar Irradiance CO2 & Natural Carbon Emissions
Temperature & Sunspots CO2 & Volcanic Emissions

CO2 and Natural Carbon Emissions

Sources:

National Oceanic and Atmospheric Association (NOAA): CO2 Recorded at the Mauna Loa Observatory 

Carbon Dioxide Information Analysis Center (CDIAC): Historical CO2 record from the Law Dome DE08, DE08-2, and DSS ice cores

Intergovernmental Panel on Climate Change (IPCC): Climate Change 2007: The Physical Science Basis (pages 514-520)