How many scientists do you need to demonstrate to policymakers in words they can understand that CO2 is not a pollutant, nor a driver of global warming – with empirical evidence? Here is one more being exceptionally clear – not that it will make any difference now, in the reign of the climate change cult.

In this 16-minute video, we see Ian Clark’s prepared statement, including slides shown, before the Senate Standing Committee on Energy, The Environment, and Natural Resources.