... we cannot rule out the possibility that the changes of recent decades are part of a natural rebound from the 'Little Ice Age' that followed the medieval warm period and ended in the 19th century.

Truly environmentalism has displaced economics as the dismal science.

A sensible climate policy would emphasize building resilience into our capacity to adapt to climate changes - whether cooling or warming whether wholly natural, wholly man-made, or somewhere in between.

The Intergovernmental Panel on Climate Change's (IPCC) new Summary for Policymakers is a political document that downplays assessments of uncertainty from the scientific reports. It omits much contrary evidence. In several cases, it even disagrees with the reports on which it is based.