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There are no methods for doing so which are both lawful and effective.
It is called "voting".
Seriously, get a like minded group of people together and work to change the law(s) you don't like.
"Also, why take up valuable satellite and computer resources to track ice floes? If there is free time on those platforms, it is a failure of CIA management to properly schedule them for tasks that are a part of that agency's objectives."
I suspect that most spy satellites are in polar orbits, so that they cover the entire Earth's surface once every 24 hours, as the Earth rotates underneath them. Assuming this is the case, then most of the time the satellites will not be over an area that is of interest to the intelligence community, so scheduling scientific photographs during that period (assuming they happen to be over an area of scientific interest) makes use of a satellite that would otherwise be doing absolutely nothing.
As for taking up valuable computer resources, I don't think that is really a problem. The communication antennas cost the same if they are being used or if they are not being used, so the only real costs to taking these images are the electricity used to power the receivers and the ground-side servers that store the images, and the cost of any personnel-hours required to declassify an image. Frankly, they might have the entire declassification process automated: if the picture is not of a predefined sensitive location, lower its resolution and send it off to the scientists.
Though I have to object to the word "conservative" being used here. These aren't conservatives and they aren't really following conservative principles. Even neo-conservative doesn't really apply. "Jingoist" or "populist" would be more accurate.
I'll have to take a peek at EO