Machine to absorb CO2

A couple of years back i believed we can produce machines which can absorb c02 (to tell the truth i thought there will be machines which convert co2 to o2!) ,looks like finally somebody is going to build a prototype...phew

http://www.dailymail.co.uk/sciencetech/article-1023315/Machine-clean-greenhouse-gas-breakthrough-war-global-warming-say-scientists.html