Greenpeace co-founder, Dr. Patrick Moore:
“Carbon dioxide lags temperature by an average of 800 years during the most recent 400,000 year period, indicating that temperature is the cause, as the cause never comes after the effect.”
“Yet climate alarmists persist in insisting that CO2 is causing the change in temperature, despite the illogical nature of that assertion.”
Full talk: https://www.youtube.com/watch?v=d0Z5FdwWw_c