In order to achieve the above goals, Macao has taken a series of waiting actions. In the field of energy, step by step so as to improve the ratio of gas to power generation. Started the construction of the public natural gas pipeline network, provided natural gas to residents and schools, and reduced the consumption of liquefied petroleum gas; promoted renewable energy such as photovoltaic power generation, reduced the consumption of heavy oil, improved the structure of energy consumption in Macao, and thus reduced the consumption of liquefied petroleum gas. greenhouse gas emissions. The proportion of natural gas power generation in Macau increased from 30.9% in 2008 to 52.9% in 2017. In the field of transportation, Macao actively reduces the energy consumption and carbon emissions of airports, implements the priority policy of land transportation and public transportation, develops a public transportation network with light rail as the backbone, and promotes the use of environmentally friendly and energy-saving vehicles. By 2016, a total of 465 Euro 4 or Euro 5 environmentally friendly buses have been introduced, an increase of 50% over 2015. The Macao Special Administrative Region Government also fully implements the energy management mechanism, formulates energy-saving plans for public departments and institutions, monitors and manages the use of energy, in order to improve the energy efficiency of the public sector, and achieve the goal of reducing the annual energy consumption of participating departments by 5%. Gradually implement the &quot;LED Street Light Replacement Plan&quot;. In 2016 and 2017, more than 1,600 LED street lights were installed in various districts. In terms of promoting energy conservation in hotels and tourism, the &quot;Macau Green Hotel Award&quot; has been held every year since 2007 to Encourage hotels and related industries to achieve environmental protection, low-carbon and clean development. The Macao SAR Government continues to plant new trees,