It should be done more but stronger tax & regulatory incentives are needed to encourage point-source polluters to adopt CO2 capture for emissions from industrial processes & energy production. It is very difficult to convince, say, a software company to pay for/subsidize the cleanup of another company's/utility's dirty process, because of the complex incentives & liabilities involved.

(Would love for an entrepreneur to come up with a way to find a market solution to this matching problem -- AirMyne might want to bid to be the technology platform on which such a CO2 capture system is built!)