Tree Ring Science Is Telling Scientists About Climate Change
The science of studying tree rings is expanding rapidly. More scientists are being added and locations where samples are being collected is expanding. By taking samples from nearly all continents scientists can plot the historical pattern of the jet stream and the presence of volcanic ash. They also reveal large electrical storms. Today those storms are thought to have been severe enough to knock service from today's satellites. By studying ancient trees, even ones which died long ago but were preserved is certain climates, the history of climate and the history of human migration can be understood. Perhaps the preference of certain religions over others will be revealed as well. Religions come from cultures. A society's economics, how it makes a living, its housing and food supply is part of its culture. When the climate changes the livelihood of the culture may change. Its people may migrate. Of course there were other factors causing change such as domination by anot...