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Why Global Warming is GOOD

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Found through the wonderful site,

Here’s another way of looking at things: global warming is good.

And if there’s any bad news at all about global warming, it’s that it might be about over.

The debate about global warming will go on forever. But while we may spend the rest of eternity trying to figure out where our weather is headed, one of the best ways of finding out where we’re going is to simply look at where we came from.

When you look back across thousands of years of weather, climate and climate change, many stories are told. Some of these deal with the end of civilizations. Others with the migration of entire nations. But whether it’s good or bad, they all deal with man’s reaction to his environment. Or they’re a consequence of it.

Some years ago I stumbled onto Charles Perry with the US Geological Survey in Lawrence KS when I was trying to track down some information on climate. In the scientific community, Charles has established himself as a firm believer that the harmonic cycles of solar output have huge cause-and-effect relationships with not only our short-term weather but also our long-term climate.

In his work, Charles has connected events in world history with climate fluctuations—and has correlated those fluctuations with increases or decreases in the amount of total radiant energy reaching the earth.

In brief, there’s nothing really constant about the amount of energy being emitted by the sun. It’s almost like the sun has a heartbeat—with waves of energy coming in on a roughly 11-year sunspot cycle. Those short-term cycles then make up larger and longer-term cycles. And in those cycles, which have been going on for thousands and thousands of years, Charles has documented alternating periods of warming and cooling.

While global warming has gotten a lot of bad press today, Charles feels events in history show warmer climates have been accompanied by more rain, longer growing seasons, more crops and more land to settle on—times in which civilizations have prospered.

Contrasting that are periods of global cooling—times in which human populations probably declined because of cold, drought and war.

As mentioned, Charles has correlated those alternating periods with events in history. For instance, there was a warming period from 33,000 to 26,000 years ago which may have allowed the Cro-Magnon Man to migrate northward and populate Europe by blending in with or eradicating the resident Neanderthals.

Another warm period ushered in the Bronze Age,which began about 3800 years ago. During this favorable climatic period, people migrated northward into Scandinavia and reclaimed farmland with growing seasons that were at that time probably the longest in more than 2000 years.

The great empires of the Bronze Age came to an end with the Centuries of Darkness chill, but warming returned during the Greco-Roman Age. During this period, philosophy made its first important advances with the thoughts of Aristotle. However, when the climate cooled again, the Roman Empire ceased.

A flourishing Viking culture in Greenland met the same fate during the Little Ice Age, which ran from about l280 to l860. The little ice ages are cooler periods, which last several centuries. They occur about every l300 years.

By the year l000, the Vikings had discovered Greenland, where their settlements started producing wheat and livestock. But after l200, the climate began to cool rapidly. The frozen harbors of Greenland failed to open in the summer—thus, trade with Europe dropped off sharply.

By l400, Europe’s contact with Greenland had been lost. A slight warm-up about l500 allowed ships to make it back to Greenland, but by then the stranded Viking population had starved to death—with their graves becoming shallower and shallower as the permafrost returned.

Many today say our current global warming is because of increased carbon dioxide in the atmosphere. Charles disagrees. He says while we do have global warming, it’s still not to the same level as when the Vikings were farming in Greenland. “Therefore, the magnitude of the modern temperature increase being caused solely by an increase in carbon dioxide appears questionable.” On the other hand, solar output variations to climate change may be significant.

So what does all this mean? Let’s assume that Charles is right. If so, his projections show the current warm period may be ending and that the earth’s climate may cool to conditions similar to the Little Ice Age between the years of 2400 and 2900 following a slight cooling between 2000 and 2l00. Between 2l00 and 2400, cooling picks up steam.

But as you’d guess, time doesn’t stop there. And neither does the weather. Charles further predicts that l500 years from now, the climate will again become much warmer, entering altithermal conditions on a global scale—similar to Bronze Age weather. He also predicts the weather then may be warm enough to possibly melt the polar icecaps and flood the world’s coastlines. “There is evidence this happened during the last interglacial period when sea levels were 3 to 5 meters above present sea levels.”

But don’t worry about the ice caps. They’ll be back, further on out when we cycle back into another full-blown Ice Age.

And finally, your words of wisdom for the day come from Dean Bark, former Kansas State University climatologist, when asked if he thought global warming were real: “We’ll know l00 years from now.”

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