in 246030 20091212 004628 "The Medway Handyman" wrote:

If climate change is man made & caused by CO2 emissions, why did climate
change occur frequently in the past when (a) the population wasn't large
enough to create enough CO2 emissions and (b) cars, power stations, central
heating etc didn't exist?

Climate is changing all the time and always has done.
What makes you think the cause is always the same?