Happy Earth Day from your co-worker who's secretly sorting the office recycling

Sustainability efforts at businesses have been going backwards. Workplace sustainability efforts got shelved in the name of hygiene during the pandemic. Now office environmentalists are coming back to work. Callum Borchers explores the problem for those who play the role of climate conscience in the workplace. The battle against pollution is sometimes futile, whilst some colleagues think advocates are largely virtue signalling. Is it truly possible to be environmentally friendly at the office?