Soviet-era fingerprints and oil-field signals found in Siberian Arctic

Soviet-era fingerprints and oil-field signals found in Siberian Arctic

The Siberian Arctic has long been imagined as one of the last pristine reservoirs on Earth, a place where soils freeze for centuries and lakes lie far from any smokestack. A new study published in Environmental Monitoring and Assessment challenges that simple picture, showing that the northern regions of Western and Central Siberia carry measurable loads of two of the most notorious classes of persistent organic pollutants: polycyclic aromatic h…