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There's a big difference between weather and climate. Weather is immediate; climate is gradual. 50 years from now, when the Earth's average temperature has climbed a half a degree or more, thanks to the warming effects of human-caused pollution, people will still point to a cold day in January as proof that nothing has changed.

Just like the proverbial frog in the slowly boiling pot of water, slow change is difficult to perceive. Only by assiduous collection of data, and by the subsequent analysis of that data, can we detect long-term trends.



Thus, it is too early to tell whether or not Analog is ever going to pull itself out of its literary doldrums. I had such high hopes after December's issue; January's has dashed them.

(see why at
Galactic Journey!)

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