Peter Ross
Toxicologist and senior scientist known for work on environmental contamination and marine conservation, providing expert analysis on pollutants and health/environmental risks.
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Mar 17, 2026 • 13min
‘Black rain’ in Iran and the environmental cost of war
Peter Ross, a toxicologist and senior scientist who studies environmental contamination, explains the fallout from Iran’s ‘black rain’. He breaks down what pollutants like soot, PAHs and benzene do to air, water and health. He discusses how rain can transport toxins, Tehran’s geography that worsens exposure, and why recovery from oil-related pollution can take decades.
