On Dec 9, 9:46*pm, Roger Chapman wrote:
Man at B&Q wrote:


Why? Of course mankind is responsible for CO2, along with many other
emissions. You're making assumptions about the effect of CO2,
specifically that the measured increase is directly responsible for
any warming.

If the increase is not responsible for some warming then you are back to
the assumption that CO2 is not a greenhouse gas (or the deceitful
scientists are making it all up).

It's the magnitude of the some that I question. How much of any
warming is due to man and how much to natural climate change?

MBQ