The Guardian — Air quality worsens in Greece as recession bites

However, a tripling in the cost of heating oil brought about larger changes as hard-pressed Greeks have switched to burning wood. Wintertime particle pollution increased by around 30% in Thessaloniki in 2013 and air toxicity worsened on evenings when fires were lit. Analysis of wintertime air in Athens shows that it is not just logs that are being burnt. Along with chemicals from wood burning, scientists found lead, arsenic and cadmium particles, showing that people are burning painted and treated wood, and also their rubbish, to keep warm.

The Guardian Air quality worsens in Greece as recession bites