There are still plenty of skeptics out there, and they're not all just blindly denying climate change or the scientific practices of the IPCC:
Global Warming: Forecasts by Scientists versus Scientific Forecasts by Green and Armstrong.
Climate scientist Roger Pielke Sr. says in this interview:
Its hard to say that these predictions of impending global warming doom are rock solid and based on good science. We've spent US $50 billion since 1990 on this and we still haven't even been able to really conclusively prove it.
Global Warming: Forecasts by Scientists versus Scientific Forecasts by Green and Armstrong.
Some dude named Taylor did a study of climate models for New Zealand for a period versus the actual temperature and precipitation. The climate models were accurate only 48% of the time. Let's flip a coin to decide!We audited the forecasting processes described in Chapter 8 of the IPCC’s WG1 Report to assess the extent to which they complied with forecasting principles. We found enough information to make judgments on 89 out of a total of 140 forecasting principles. The forecasting procedures that were described violated 72 principles....Claims that the Earth will get warmer have no more credence than saying that it will get colder.
Climate scientist Roger Pielke Sr. says in this interview:
"But the models do this without including all the forcings. The models are incomplete."
"Another problem is that our research suggests that the actual warming, particularly the minimum near surface-air temperatures on land, have been overstated. There is a warm bias in these data. So if the models agree with the temperature trends, they do this, at least in part, for the wrong reasons.."
My understanding of it is that sometimes the scientists have to just have a guess at some of these factors like plants.CO2 is also a biogeochemical forcing, so when you increase CO2, plants can respond. All plants like CO2, but some plants like CO2 more which may use water more efficiently. Thus there are complex nonlinear interactions due to increasing CO2. That really complicates how CO2 affects the climate system. Our work suggests that the biogeochemical effects of adding CO2 may have more effect on the climate system than the radiative effect of adding CO2. But the models have inadequately dealt with the biogeochemical effect of CO2.
Its hard to say that these predictions of impending global warming doom are rock solid and based on good science. We've spent US $50 billion since 1990 on this and we still haven't even been able to really conclusively prove it.
Bob Carter said:Yet that expenditure will pale into insignificance compared with the squandering of money that is going to accompany the introduction of a carbon trading or taxation system.
The costs of thus expiating comfortable middle class angst are, of course, going to be imposed preferentially upon the poor and underprivileged.
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