Well, reality often is negative, but it's still reality. I think "we" should start considering active remediation and compensation (building dikes for example).
It's hard for me to see a process that can suck CO2 out of the air that is energy efficient at all, the entropy factor is huge. Anything that tries to remove something present at 400 ppm faces that core issue. We have two concepts, aerosols in the upper atmosphere and iron salting the oceans. Both have been tested and "work" but we don't know what adverse consequences might happen with large scale usage.
There is also a notion the planet is entering a cooling period, that is no more than a notion, and GW is offsetting that natural trend. I rather doubt this, but it's interesting.