Many casually think of the earth’s atmosphere as virtually going forever upwards, but our oxygen grows thin surprisingly quickly. There just isn’t nearly as much as we might think. In fact, the air grows so thin that climbers must carry an extra supply just to survive at the summits of many mountains. Compared with the magnitude of the earth, these mountains are barely road bumps. If you’ve ever felt a topical globe, they are just tiny blips on the surface of the earth. From another standpoint, think of a summer project of painting a house. The earth’s usable atmosphere is about as thick as the paint on that house.
Now consider everything we pump into this atmosphere every minute of every day: all the automobiles, all the factories, all the electricity we use and all the power plants this usage requires. Evidence or not, it’s impossible to think we’re not changing something.
Hi Bruce,
I don’t claim to know all the facts involved but I have read enough to know that there are some powerful individuals who have made a lot of money by scaring people with extremely exaggerated and unsubstantiated claims of impending disaster. Their agenda is more about cash than concern.
To make a better comparison of available atmosphere perhaps a calculation of how many cubic miles of actual atmosphere versus an estimate of volume of pollutants would lend itself to a scale of comparison closer to reality.
I can’t readily think how the scientist’s involved are making money off of their “scare,” but I would welcome a calculation of the cubic miles of atmosphere and the volume of pollutants. I can’t think of any situation where that kind of analysis wouldn’t be alarming.
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