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Hanoi ranks as the worst city in South East Asia in terms of the air quality.
More than half has paid attention to environmental issues highly and 84% has paid higher attention this year compared to last year.
Air and water pollution are the most concerned environmental issues.
TV and social medias, especially Facebook, are the largest environmental reference sources.
Most common actions to protect the environment: using eco-friendly products, saving water/electricity and separating the garbage by types
7% are aware of SDGs (Sustainable Development Goals)