约80万吨碳排放全中和，本届全运会藏着哪些减碳密码？

Core Insights - The 15th National Games emphasizes the integration of green, low-carbon, and sustainable practices into every aspect of the event, aiming to reduce carbon emissions significantly [1][2] Group 1: Event Overview - The event is expected to achieve a carbon emission reduction to between 750,000 and 800,000 tons, with the Guangdong competition area achieving 100% green electricity coverage [1][4] - This edition of the National Games does not involve the construction of new large venues, with over 90% of the 75 competition venues in Guangdong being upgraded existing facilities [1] Group 2: Venue Upgrades - The Tianhe Sports Center is a key focus for upgrades, aiming to become the first near-zero carbon large sports venue in the country, with a carbon emission intensity of 10.73 kg per square meter per year and a carbon reduction rate of approximately 56% [2][3] - The venue incorporates energy-efficient materials, variable frequency air conditioning, and smart lighting systems to maximize carbon reduction [2] Group 3: Energy Management - The Tianhe Sports Center's energy management platform provides real-time monitoring of electricity, water usage, and carbon emissions, allowing for precise management and alerts for unusual energy consumption [3] - The venue's upgrades are expected to save approximately 1.09 million kWh of electricity annually, equivalent to a reduction of about 811 tons of CO2 emissions [3] Group 4: Green Energy Procurement - The total electricity consumption for the event is estimated at 188 million kWh, leading to a reduction of 160,000 tons of CO2 emissions, equivalent to planting 8.88 million trees [4][5] - The Guangdong Electric Power Company has procured 188,000 green electricity certificates to ensure the authenticity and traceability of the green energy supplied for the event [5]