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The reason they changed it from “global warming” to “climate change” is because they’re not sure of the sign of the effect, i.e. heating or cooling. (Hey, the models aren’t that good.) But they are sure that we caused it and they need to both tax us and expand their own power for doing so. <<
Hotter? climate change
Colder? climate change
Milder (last hurricane season)? climate change
No discernible change? climate change
Until 25 years ago, the Earth was in a steady state with no long-term cooling or warming trends, ya see...
"Climate change" is their transition name.
Eventually they will say "global cooling" is man-made but it's still too soon to say that after many years of saying "global warming is man-made".
Put in mind that they claim measurements from different parts of the Earth to argue their point. Problem? Yep, it is a problem when you’re trying to argue a global average, not just Austrailia, not just the Pacific Typhoons, not just the Atlantic hurricanes dulling, etc.