Is global warming controversial?
No. An abundance of evidence proves that, in the past century, the Earth has experienced about 1oF of warming and many other climate changes, including melting glaciers, changes in sea-ice thickness, increases in sea level, early arrivals of spring, late arrivals of autumn, ocean chemistry changes, unusually hot summers, and a variety of adverse effects among wildlife. There is also a consensus among scientists that this warming is not a “natural” climate fluctuation but instead is driven primarily by the release of greenhouse gases by human activities. There is a perception among the general population that scientists are having a raging debate about whether global warming is real and/or caused by people. This is a misconception! Scientists are in widespread agreement that global warming is real and that the climate changes of the past 50 years have been caused primarily by human activities. Unfortunately, however, a number of powerful companies and government officials have, for poli
