城市更新的光谷挑战，专家：探寻产城融合新动能

Core Viewpoint - Wuhan is advancing the "Five Reforms and Four Goods" urban renewal initiative, focusing on transforming existing urban areas rather than primarily on new city development. The experience and challenges of urban renewal in the Optics Valley, a new district, are explored [3][6]. Group 1: Urban Renewal Drivers - The urban renewal in Optics Valley is driven by three main forces: 1. Large Enterprises: Transformation of old factories into modern industrial research and development spaces, integrating historical memory with innovative functions [5]. 2. Universities: Development of knowledge cities by dissolving boundaries between campuses and urban areas, creating seamless connections within open knowledge districts [5]. 3. Ecological Framework: Establishing a green civilization by linking various districts through ecological corridors, promoting a livable wetland city model [5]. Group 2: Institutional Innovations - To achieve the above drivers, institutional innovations are necessary: 1. Tax and Financial Mechanisms: Proposing a shared financial mechanism to reduce high renovation costs for enterprises and optimize industrial space [6]. 2. Land Use Models: Exploring mixed-use land models around universities to allow flexible property rights and long-term leasing to startups [6]. 3. Ecological Investment: Addressing the high costs of wetland restoration by converting ecological value into development capital through mechanisms like VEP and TDR [6]. Group 3: Future Urban Competitiveness - The future urban competition will focus on functionality and ecology, aiming to provide an ideal habitat for innovative talents and enterprises that integrates living, working, and creating [7]. - The Hubei Provincial Science and Technology Investment Group is working on urban renewal projects to optimize street aesthetics, pedestrian systems, and commercial layouts, creating integrated designs for businesses and talent [7].