Could reversing global warming start an ice age?
Back in the early 1970s, when there were several particularly frigid winters in a row, some scientists saw the plunging temperatures as a sign that the Earth was entering a new ice age. Yet by the end of that decade, the predictions had swung the other way, and experts began worrying about rising temperatures. Since then, governments and environmental groups have been pushing for regulations and changes in public energy consumption to reduce greenhouse gases in the atmosphere and help reverse global warming. As we scramble to change our energy-gobbling ways, some scientists are asking whether global warming might actually be serving a useful purpose. Could it be possible that this warming trend is preventing us from entering another ice age? And if we reverse the process, could we end up covered in ice once again? Extremes of cold and warmth are n
