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Global warming

Misrepresentation as Science

Propagandists hammer the public with the claim that the science is unquestionable in showing humans to be the cause of global warming. The scientists, however, hedge on everything. So global warming is now before the Supreme Court, where states and others are claiming the Environmental Protection Agency must regulate carbon dioxide emissions. One of the judges said the plaintiffs were adding "conjecture on top of conjecture". So which is it—unquestionable science or conjecture. Here are some quotes:

From: Fight Global Warming.

Scientists are no longer debating the basic facts of climate change. In December 2004, Science magazine published an analysis of 928 peer-reviewed science papers...

The gases—which can stay in the atmosphere for at least fifty years—are building up beyond the Earth's capacity to remove the gases and, in effect, creating an extra-thick heat blanket around the Earth.

They didn't say where they got the fifty year figure; it's one of those fake numbers synthesized for the purpose. If it were true, all of the volcanic activity would produce a fifty year build-up, and the natural fluctuations would produce a fifty year build-up. If the oceans weren't regulating the amount of CO2 in the air, there would be such a high level that life would be impossible. It is not correct logic to claim that human activity can destroy life, while natural emissions cannot.

The latest estimate is that humans are now adding 7.8 giga tons of carbon to the atmosphere per year, while the atmosphere contains 750 giga tons. That's one percent per year due to humans. If the atmosphere won't tolerate that much, it would have been a disaster long ago. It can't be critically tuned within one percent per year.

They say:

Already, people have increased the amount of CO2, a key greenhouse gas, in the atmosphere to 31 percent above pre-industrial levels.

Carbon dioxide levels in the atmosphere track with the temperature of the oceans, because warmer oceans release more. This means that the increase from 270 ppm to 380 ppm over the past 150 years would be due to ocean temperature increases; but it is always attributed to humans, as if there could be no other cause.

The EPA says on their web site:

Scientists know with virtual certainty that:

Human activities are changing the composition of Earth's atmosphere. Increasing levels of greenhouse gases like carbon dioxide (CO2) in the atmosphere since pre-industrial times are well-documented and understood.

The atmospheric buildup of CO2 and other greenhouse gases is largely the result of human activities such as the burning of fossil fuels.

The major greenhouse gases emitted by human activities remain in the atmosphere for periods ranging from decades to centuries. It is therefore virtually certain that atmospheric concentrations of greenhouse gases will continue to rise over the next few decades.

Increasing greenhouse gas concentrations tend to warm the planet.

None of it is true for reasons which I explain on my global warming main page.

The Intergovernmental Panel on Climate Change (IPCC) is the usual reference for propagandists. It's not source material. It's nothing but hashed over opinions. What it says about the mechanism of carbon dioxide heating the atmosphere is this:

Because these greenhouse gases absorb the infrared radiation emitted by the Earth and emit infrared radiation up- and downward, they tend to raise the temperature near the Earth’s surface.

That mechanism does not exist. The so-called greenhouse gasses absorb infrared radiation within ten meters or less from the earth's surface, and the energy is instantly converted to heat, which is transferred to the nitrogen and oxygen. This means the up and down radiations do not occur beyond black body radiation which is independent of greenhouse gasses.