Because a very well educated position with data and corroboration of other fields is much better than the position you're promoting -- skepticism of a very well educated position. You're not promoting data, you're not promoting a corroborated idea that ties into other fields. You're just simply being skeptical.
I'm skeptical of alarmists crying "The sky is falling!" when such claims have repeatedly proven empty and unwarranted. Thirty years ago the panic was that the world was cooling, and fear mongers claimed we were headed for another ice age. My understanding is that climate is cyclical, and we've been headed for another ice age since the planet emerged from the last one.
I've seen my tax dollars given to "green" companies like Solyndra and Evergreen Solar to see those companies squander the money they were given, move the company to China, and then close down completely.
I'm not convinced human contribution to climate is significant, or that despite the arrogance of the Global Warming alarmists, we can make a significant impact to alter climate change, or even that we should. This argument reminds me of the people who want to save all the cute animals from extinction, even though the natural rate of extinction in an undisturbed ecosystem is 1 per decade (
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I think climate change is similar. It is something the planet does, and will continue to do long after we're gone. I see people trying to change the climate as arrogant meddlers who in the end will likely do more harm than good. Typical of humanity, we try to change things to suit ourselves rather than simply adapt to the changes.
Whatever change is happening, it's taking place slowly enough for us to adapt our lifestyles to it. I appreciate people suggesting books to read and such, and if you have time to read them, good for you. But, I'm neck deep in things that are impacting my life currently, and rarely have time to read the things I enjoy, let alone some scientists views on what they think will happen 50, 100 or however many years from now.
Based on what I've seen of science fact over the last 30 years, I'm no more convinced that today's dire predictions are accurate than I have been of any other I've seen come and go. Scientists are humans, not gods. They are fallible. They've been wrong enough in the past for me to not be concerned with the current prognosis.