Do ice-core bubbles indicate man-made global warming during Roman times? ‘The warmists are now trying to rewrite history by blaming any previous warming trends as man made’
Study 'found methane was high from 100 to 200 A.D., concluding this was height of Roman civilization as well as China's Han dynasty' -- 'In last 150 years atmospheric methane concentrations have gone from 650 to almost 900 parts per billion and we've seen less than a 1°C global increase' -- 'The researchers would have us believe that extra production of methane during mini-ice age didn't help raise global temps, but during Roman times it did. Confused yet?'
