Don't most large power plants in the Western world have 'scrubbers' and other measures that limit the amount of carbon/other pollutants that they actually relea

Don't most large power plants in the Western world have 'scrubbers' and other measures that limit the amount of carbon/other pollutants that they actually release into the air? If not now, is that a technology that's moving forward fast enough to be a partial solution in the future?