The earth's climate is warming

After reviewing the observations in the links below it has became clear to me that the earth's climate system is warming.


According to the IPCC Synthesis Report linked here:

Warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice and rising global average sea level (Figure SPM.1 see below). {1.1}

Links to IPCC Fourth Assessment Report: Physical Science Basis chapters on the observed evidence are provided below for your convenience and review.

Chapter 3: Observations: Surface and Atmospheric Climate Change

Chapter 4: Observations: Changes in Snow, Ice and Frozen Ground

Chapter 5: Observations: Oceanic Climate Change and Sea Level