Group 1 - The core viewpoint of the articles emphasizes the significance of the phosphogypsum comprehensive utilization project in Fuling, which aims to transform waste into high-performance green building materials, addressing environmental challenges while promoting industrial upgrades [1][2] - The project involves a total investment of 520 million yuan, divided into two phases, with the first phase focusing on producing 500,000 cubic meters of calcium silicate board annually, utilizing approximately 300,000 tons of phosphogypsum [1] - Upon reaching full production, the project is expected to generate an annual output value of 4.2 billion yuan, highlighting its economic potential alongside environmental benefits [1] Group 2 - The project is aligned with the principles of circular economy and aims for harmless disposal of waste, addressing the phosphogypsum waste management issues in Fuling while contributing to the "no-waste city" initiative in Chongqing [2] - The initiative is seen as a model for comprehensive utilization of phosphogypsum in the upper reaches of the Yangtze River, with strategic importance for ecological protection and socio-economic development [2] - The project responds to the urgent need for phosphogypsum management in Chongqing, which has been designated as a pilot city for "no-waste city" construction since 2019 [2]