Weird to call CO2 a catalyst. It appears in some catalyst but it's also a poison and an industrial supply.
The interesting part is that they fine tuned another catalyst to transform CO2 and H2 into CO (and H2O) instead of going directly to CH4 (and two H2O).
The interesting part is that they fine tuned another catalyst to transform CO2 and H2 into CO (and H2O) instead of going directly to CH4 (and two H2O).