It did so because the scientific evidence that humans are the dominant cause of global warming over the past century grew significantly stronger in recent years. (skepticalscience.com)
The global temperature change over the past century has been about 0.7 °C, some of which has been due to increases in solar intensity. (sjsu.edu)
Very few people are upset about the imaginary 0.7 C increase in temperature over the past century. (realclimatescience.com)