Introduction.- The Weyburn CO2 injection project.- Inverting shear-wave splitting measurements for fracture properties.- A comparison of microseismic monitoring of fracture stimulation due to water versus CO2 injection.- Geomechanical simulation of CO2 injection.- Generating anisotropic seismic models based on geomechanical simulation.- Forward modelling of seismic properties.- Linking geomechanical modelling and microseismic observations at Weyburn.- Conclusions.- In Support of Carbon Capture and Storage.