In 2014, the greenhouse gas emissions from Macao&#39;s international aviation and aviation in special areas were about 563,000 tons of carbon dioxide equivalent, and the emissions from navigation in special areas were about 205,000 tons of carbon dioxide equivalent. In addition, the carbon dioxide produced by biomass burning in municipal waste is about 147,000 tons. The total amount of greenhouse gas emissions from the above activities is about 915,000 tons of carbon dioxide equivalent, which are listed separately as information items according to relevant requirements, and are not included in the total amount of greenhouse gas emissions in Macao.