Sofia Bernardo, Inês Faria, Juliana Santos, Laura Lopes and Isis Lemos, 15-18 | Escola Secundária Pinhal do Rei
Lichens are extremely sensitive to environmental changes. They are the best known bio-indicators of air pollution levels. They are very sensitive to environmental pollution. Thus, the presence of lichens suggests low pollution levels, while their disappearance suggests worsening environmental pollution.
Categories: Photo Stories