It's not so much terraforming, but one idea for colonizing Venus is to live on giant airships that hang out in the upper atmosphere where the temperatures and p

It's not so much terraforming, but one idea for colonizing Venus is to live on giant airships that hang out in the upper atmosphere where the temperatures and pressures are temperate. You still need to deal with the nasty chemical composition of the atmosphere, but that might be doable somehow. Your airship also needs to be massive and sturdy enough to shrug off hundred mile an hour winds.