The purpose of this study is to investigate the impact of the construction of ecological civilization demonstration areas (CECDA) on the carbon efficiency (CE) of resource-based cities (RCs) and to understand its mechanism. The CE indicator of 114 prefecture-level RCs in China was measured from 2004 to 2018 using the Slack Based Measure (SBM) model. We found that the index showed an o... https://www.bekindtopets.com/hot-mega-Jeffers-Economy-600D-Royal-Blue-Teal-Plaid-Horse-Blanket-super-sale/