Global Warming True or False?

This brings us to the question of melting polar ice caps. If a warmer climate were to come into being, people believe that the gigantic glaciers in the poles would melt, and raise the ocean level a significant amount. However, the warmer climate also means more water would evaporate. This leads to increased rainfall and snow, and through this way it "thickens the polar ice caps, thus lowering sea levels."7 This may seem like reverse logic, but there is evidence to support this phenomenon. "The global warming that occurred between1900-1940 shows a drop in sea levels, while the subsequent cooler period shows a sea-level rise."7
In conclusion, global warming has yet to prove itself to be true. In my opinion it must be proved with more facts and data to justify the costly steps against it.
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