Carbon dioxide as the world's main greenhouse gas contribute to global climate warming is becoming more worse, this have threatened the survival of mankind. It's urgent to Reduce carbon emissions and increase carbon. Urban energy activities as a major global source of greenhouse gas emissions, has caused widespread concern. To achieve carbon neutral in earth, we must treat city as a key to reduce the urban-industrial, transportation and other industries carbon emissions, and enhance carbon sequestration from city construction materials, vegetation, carbon emissions trading and other areas, and ultimately achieve carbon-neutral in city. This is important to curb global warming. In this paper, we take Harbin for example, we chose energy consumption, respectively, and vegetation conditions as the basis to account the urban carbon footprint and carbon dioxide absorption, and predicted City carbon-neutral status by comparative analysis of two carbon-neutral city state. Finally, We took carbon-neutral measures to achieve the target of a preliminary exploration and made policy recommendations to achieve carbon-neutral in city, and provide a reference to improve the urban environment.
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