Cryogenic Biosphere. I kinda have a thing about leaving biospheres as they are as intact as possible - don't wanna spoil some other critter's shot at life later on down the road. And let's not argue the point - I hate dealing with Heisenburg, as much as it applies to that case. I'd much rather agree to disagree.
Besides, New Alaska sounds like a high-grav world - IIRC, three times the mass of Earth means three-times Earth's gravity - that's not gonna be very comfortable for 'normal' folks, Fen or 'Dane, no matter what the mean temperature is.
Besides, if I felt like warming up the planet, I'd either look at rekindling that red dwarf or nudging New Alaska in a bit closer (much easier to do with a world that has a 'solid' mass rather than a gaseous one).
Besides, New Alaska sounds like a high-grav world - IIRC, three times the mass of Earth means three-times Earth's gravity - that's not gonna be very comfortable for 'normal' folks, Fen or 'Dane, no matter what the mean temperature is.
Besides, if I felt like warming up the planet, I'd either look at rekindling that red dwarf or nudging New Alaska in a bit closer (much easier to do with a world that has a 'solid' mass rather than a gaseous one).