From the latest Tate Modern Turbine Hall commission to a small West London gallery, an experimental release on an independent label to Gwyneth Paltrow’s celebrity lifestyle brand, the aesthetics of our time are becoming increasingly olfactory. But, in an age of masks, who is really picking up the scent?
How can art provide an illuminating window on human society's changing relationships with nature? The gradual reclaiming of the sculptures at Ireland's Lough Boora by their surroundings and the work of musician Richard Skelton offer powerful examples, writes Ian Maleney