Thinking About Global Warming

Anyone, anyone at all, who tells you man made global warming is a myth, is either misinformed or intentionally seeking to disinform you. So says Piers J. Sellers, acting director of earth science at NASA’s Goddard Space Flight Center. I imagine that Piers, highly trained in the sciences as I am, is deeply frustrated with the fact that politiicans with little education and mountains of ambition dismiss the scientific community’s warnings and advice because “it would slow down the economy”. Putting the economy over Earth is like burning your own house to stay warm over the winter.

“I was bit surprised to read the exchange between Dr. Holdren and Representative Stockman, which suggested that at best we couldn’t explain the science and at worst we scientists are clueless about ice ages.

We aren’t. Nor are we clueless about what is happening to the climate, thanks in part to a small fleet of satellites that fly above our heads, measuring the pulse of the earth. Without them we would have no useful weather forecasts beyond a couple of days.

This whole system of observation, theory and prediction is tested daily in forecast models and almost continuously in climate models. So, if you have no faith in the predictive capability of climate models, you should also discard your faith in weather forecasts and any other predictions based on Newtonian mechanics.

The earth has warmed nearly 0.8 degrees Celsius over the last century and we are confident that the biggest factor in this increase is the release of carbon dioxide from fossil fuel burning. It is almost certain that we will see a rise of two degrees Celsius (3.6 degrees Fahrenheit) before 2100, and a three-degree rise (5.4 degrees Fahrenheit) or higher is a possibility.”

thinking about global warmingTo read the entire article, click on the image:

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