2000 years might be not be the exact Figure, it is probably a huge numeric figure . And mind you that we are the only creature who are responsible for this anomalous climatic change, for there were no as such global Warming predictions way back 400 years. According to Washington report, during 20th century, the Northern Hemisphere has rose approximately 1 degree centigrade. In another report it was said that the Global Warming could bring lethal temperatures if greenhouse emission continues. World's biggest killer is, no doubt, going to be out own Climate - researcher says.
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