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Originally posted by Astronomer70
It doesn't take a genius to measure temperatures around the world and over time come to the conclusion that the Earth is warming up. Global warming is a fact, not a theory and certainly not some wishful thought of the world's tree huggers or eco fanatics. The questions we need answers to are how responsible is mankind for the warming? How long will it take to warm up? How hot will it get? Will the process spring nasty little surprises on us at it happens? What other changes will global warming cause, or contribute to and why? Should we just lay back and ignore it, or try to do something about it? Can we do something about it, and if so, at what cost?
Just a few of the questions we need answers to.
Originally posted by BlueSkyes
Ok we have had reliable ways to measure tempature for how long?? ill give you 300 years...not sure not to concerned to look it up...so thats 300 years