CO2 Quotes - page 3

To argue that human emissions of CO2 are forcing global warming requires all the known, and possibly chaotic, mechanisms of natural global warming to be critically analysed and dismissed. This has not even been attempted. (Ian Plimer)
There were no CO2 emitting industries in the Medieval Warming. This natural warming event was greater than the Late 20th Century Warming, which we are told is due to human emissions of CO2. View quote
Ian Plimer
It is naïve to think that a [computer] model can predict future events on the Earth. To try to predict the future based on just one variable (CO2) in extraordinarily complex natural systems is folly. View quote
Ian Plimer
If CO2 derived from modern industrialisation is the culprit for global warming, then why did the global temperature increase from 1918 to 1940, decrease from 1940 to 1976, increase from 1976 to 1998 and decrease from 1998 to the present? View quote
Ian Plimer
For the last fourteen years, I have advocated the elimination of all payroll taxes - including those for social security and unemployment compensation - and the replacement of that revenue in the form of pollution taxes - principally on CO2. The overall level of taxation would remain exactly the same. It would be, in other words, a revenue neutral tax swap. But, instead of discouraging businesses from hiring more employees, it would discourage business from producing more pollution. Global warming pollution, indeed all pollution, is now described by economists as an "externality." This absurd label means, in essence: we don't need to keep track of this stuff so let's pretend it doesn't exist. And sure enough, when it's not recognized in the marketplace, it does make it much easier for government, business, and all the rest of us to pretend that it doesn't exist. But what we're pretending doesn't exist is the stuff that is destroying the habitability of the planet. View quote
Al Gore