I believe in global warming because of the steady increase in temperature that scientists have noticed plus the extreme temperatures that certain parts of the globe have been experiencing. Also, the slight rise in sea levels, the polar ice caps melting, the trees and other plant life that has actually migrated north (or south) in some instances. The enormous clouds of smog over the most industrialized nations/cities like Las Vegas and Shanghai.
As per the National Resources Defense Council “All but one of the 16 hottest years in NASA’s 134-year record have occurred since 2000.”
And Quinsigamond College concluded that “The result is that the globe has heated up by about one degree Fahrenheit over the past century — and it has heated up more intensely over the past two decades. If one degree doesn’t sound like a lot, consider the difference in global average temperatures between modern times and the last ice age was only about 9 degrees Fahrenheit.”
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