The experts said the main culprit in the decline of coral cover is blast fishing and the use of illegal small meshed fishing nets that destroy the coral. There is also the unregulated extraction of coral.
Vietnam treats just 13 percent of its urban wastewater, says a report carried in a publication by the Ministry of Natural Resources and Environment.
Previously, Siamese crocodiles were found in Southeast Asia, but they have now become an endangered species in the region. However, Cambodia still has a small number of the species in some areas.