the "decline" refers to a decline in northern tree-rings, not global temperature, and is openly discussed in papers and the ipcc reports.
the "decline" refers to a decline in northern tree-rings, not global temperature, and is openly discussed in papers and the ipcc reports.
intergovernmental panel on climate change:157
"robust findings" of the synthesis report include: "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".