Group 1 - The seminar themed "Carbon Seeking New Economy, Green Driving Modernization" was held in Hangzhou, focusing on green energy saving, construction waste resource utilization, and urban renewal [1] - Hangzhou is advancing its green transformation through four major measures: institutional guarantees, facility upgrades, technological empowerment, and service quality improvement [1] - The city has established a "1+5" standardized management system and a full-process control mechanism for projects [1] Group 2 - In terms of facility upgrades, over 95% of new projects use energy-saving lighting, and 255,000 streetlights have been retrofitted under a "zero government investment" model, saving 180 million yuan in electricity costs and reducing carbon emissions by 162,000 tons annually [1] - The city is actively promoting photovoltaic lighting pilot projects, with the airport terminal's photovoltaic project generating 777,400 kWh annually [1] - A smart lighting management platform has integrated over 2 million data points, achieving daily electricity savings of 23,000 kWh through intelligent dimming of streetlights [1] Group 3 - During the seminar, representatives visited various projects, including the urban landscape, commercial outdoor projects, a recycling sorting center, and a photovoltaic power generation and ecological restoration project [2] - Attendees expressed that Hangzhou's innovative practices in landscape lighting, smart sanitation supervision, and ecological restoration provide replicable experiences for green and low-carbon development in cities nationwide [2]