How poor ventilation in your office is making you tired and ill

Mould in a classroom of a school near the window frame

We spend a huge part of our lives indoors – I’ve spent 96 per cent of my last 24 hours indoors, and it’s not an unusual day for me in winter. Consider your day. How long were you actually outside in the sunshine (or rain) altogether today? During mid-winter in England here was my typical day: … Read more