It is really a matter of context. It would not make sense to call someone that word when they could not call you that same word too. If you are content to be called that word in a group, then it would be ok.

You have rejected answers here that seem quite reasonable to me, so you have your own criteria. Let's spin it around; can you personally imagine or propose falsifiable hypotheses for global warming? You don't have to give an answer for that here; its just a personal exercise.

Here is another way of looking at this: you are on the side of modern science when it comes to Evolution and Astronomy. Now, what is it about Global Warming that is different than those other two? Is it that you do not really understand it yet?

Doesn't natural climate change occur slowly, over thousands of years? Are you aware that the recent climate change pattern for the 20th century is much different that the historical changes? I encourage you to study this deeper, for your own benefit. It takes some skill to interpret scientific data while filtering out noise...to see the forest from the trees.

Rising temperatures are not falsifiable? Hmm..

Can your potential customers easily get in contact with your support staff before the sale? Once they get in contact with live human beings, the piracy rate should drop.

Slashdot is "New for Nerds", right? Can you think of anything more nerdish?

Those who run uranium enrichment machines. That's who.

Well, we can better analyze the samples they collect back on earth. Also, travelling the Mars will be hard on the astronauts, and the experience they gain would be invaluable for future missions.

The audience-driven video project, Terminal Time combines audience voting (by applause) with video, so it may count as prior art.