The Maya monuments in South East Mexico and Central America are being considered as a whole, "Monuments to Mankind" by UNESCO.
However, there is great concern over the unwanted threat potential of acid rain on these buildings of historical importance.
Effects of acid deposition on monuments are well known and demonstrated either by natural weathering or by man made pollutants.
The occurrence of acid deposition on the Mexican Maya area has been registered by our group at National University of Mexico, suggesting that due to the physical and chemical characteristics of the construction material used by the Mayan civilisation, a potential for deterioration hAS OCURRED.
Acid rain in Mexico.
A real deal.