We have seen short - term pauses and even short - term reversals in global temperature rise in the past century, against the backdrop of an unambiguous long term warming trend. (skepticalscience.com)
It appears that the climate changes according to a repeating 60 year or so pattern with 30 years of general warming and 30 years of general cooling, this pattern superimposed, we hope, on a very slow longer term warming trend. (notrickszone.com)
What matters is the clear and unambiguous long term warming trend that has accelerated over the last 50 years. (skepticalscience.com)