Currently, they can separate carbon dioxide from the air. The issues still are what to do with it once it's separated; and at what costs. So, yes, it'd still be an issue. Saw a Nova episode about it recently. Similar to this one, if not this one:
Hey jem... had another ice storm in North Carolina and the power is still on. We don't live in a third-world state like Texas with rolling blackouts because a little bit of ice shuts down all of our gas-fired power plants, coal-fired power plants, windmills and other power generation sources. Maybe it is time Texas re-thinks its governance.
Amazing... Where's Ted Cruz in the middle of the Texas power crisis? These airport passengers say he's heading to Cancun https://www.alternet.org/2021/02/ted-cruz-2650608378/
On the news this morning - residents of Texas trying to cross into Mexico to get heat, water and electricity.