Over the past few years, the United States has become the go-to location for companies seeking to suck carbon dioxide out of the sky. There are a handful of demonstration-scale direct air capture (DAC) plants dotted across the globe, but the facilities planned in Louisiana and Texas are of a different scale: They aim to capture millions of tons of carbon dioxide each year, rather than the dozens of tons or less captured by existing systems.
The US has a few things going for it when it comes to DAC: It has the right kind of geological formations that can store carbon dioxide pumped underground, it has an oil and