Climate modelers and disaster proponents remind me of the four guys who were marooned on an island, after their plane went down. The engineer began drawing plans for a boat; the lumberjack cut trees to build it; the pilot plotted a course to the nearest known civilization. But the economist just sat there. The exasperated workers asked him why he wasn’t helping.
“I don’t see the problem,” he replied. “Why can’t we just assume we have a boat, get on it and leave?”
In the case of climate change, those making the assumptions demand that we act immediately to avert planetary crises based solely on their computer model predictions. It’s like demanding that governments enact laws to safeguard us from velociraptors, after Jurassic Park scientists found that dinosaur DNA could be extracted from fossilized mosquitoes … and brought the carnivores back to special-effects life.
Climate models help improve our conceptual understandings of climate systems and the forces that drive climate change. However, they are terrible at predicting Earth’s temperature and other components of its climate. They should never be used to set or justify policies, laws, and regulations – such as what the Environmental Protection Agency is about to impose on CO2 emissions from coal-fired power plants.
Even our best climate scientists still have only a limited grasp of Earth’s highly complex and chaotic climate systems, and the many interrelated solar, cosmic, oceanic, atmospheric, terrestrial, and other forces that control climate and weather. Even the best models are only as good as that understanding.
Worse, the models and the science behind them have been horribly politicized. The Intergovernmental Panel on Climate Change was ostensibly organized in 1988 to examine possible human influences on Earth’s climate. In reality, Swedish meteorologist Bert Bolin and environmental activist groups wanted to use global warming to drive an anti-hydrocarbon, limited-growth agenda. That meant they somehow had to find a human influence on the climate – even if the best they could come up with was “The balance of evidence suggests a discernible human influence on global climate.” [emphasis added]
“Discernible” (ie, detectable) soon metamorphosed into “dominant,” which quickly morphed into the absurd notion that greenhouse gas (GHG) emissions have now replaced natural forces and become the only factors influencing climate change. They are certainly the only factors that climate activists and alarmists want to talk about, while they attempt to silence debate, criticism, and skepticism. They use the models to generate scary “scenarios” that are presented as actual predictions of future calamities.
They predict, project, or forecast that heat waves will intensify, droughts and floods will be stronger and more frequent, hurricanes will be more frequent and violent, sea levels will rise four feet by 2100 [versus eight inches since 1880], forest fires will worsen, and countless animal species will disappear. Unlikely.
Natural forces obviously caused the Medieval Warm Period, the Little Ice Age, and the Pleistocene Ice Ages. (A slab of limestone that I dug up has numerous striations – scratches – left by the last mile-thick glacier that covered what is now my home town in Wisconsin.) After long denying it, the IPCC finally acknowledged that the LIA did occur, and that it was a worldwide agricultural and human disaster.
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This post originally appeared on Western Journalism – Informing And Equipping Americans Who Love Freedom