That cosy candle? It’s also polluting the air you’re breathing

During the winter months, when days are short and cold and nights are long and dark, creating a warm and cosy indoor atmosphere can feel especially important.

Where I live in Denmark, around 75% of the population burns candles two or more times a week, and 34% use them daily during the winter months.

In fact, Denmark is often said to be the

© La Conversation - mercredi 4 mars 2026