The nation has the Clean Air Act to thank for decades of improvements in air quality. This landmark law has driven pollution reduction for over 50 years. EPA estimated that cutting air pollution through the Clean Air Act was projected to prevent over 230,000 deaths and save nearly $2 trillion in 2020 alone. Discover the cleanest cities in the 30. Auckland. Auckland is one of the best cities in the world known for its quality of air, according to the survey carried out around the world. The city has a natural environment and a subtropical climate. Also, the health and medical services are good which makes it one of the best and cleanest cities in the world. In Indonesia, People Can Trade Trash For Free Health Care. Malang, a city in Indonesia, generated more than 55,000 tonnes of waste every day. It was also a city where a majority of people did not have health insurance. Waste to Energy concept of Sweden is an amazing initiative and if clean energy can be produced, the method can be utilized Semarang, a Central Java city known for its acculturation of Javanese and Chinese cultures, has been named as the cleanest tourist destination in Southeast Asia. The ASEAN Clean Tourist City Standard (ACTCS) bestowed the title on Semarang for the year of 2020 to 2022. Global Peace Index ranking: 6/163. Global Peace Index score: 1.332. According to the GPI, Singapore is the safest country in Asia. This buzzing city-state has also been touted as one of the top places to live in Asia, offering a high quality of life and a reliable healthcare system. Singapore has a shining reputation. The UNEP-led Cool Coalition is helping to cool cities that could warm by as much as 4°C - such as in Viet Nam, where three cities are piloting new guidelines launched at COP26. In 2021, UNEP's United for Efficiency initiative supported 40 countries to transition to eco-efficient products. For example, Brazil, Nigeria and Indonesia .

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