Core Viewpoint - The establishment of China's first key laboratory focused on complex environmental issues in mega coastal cities has been approved, providing technological support for soil and water management in high-intensity development contexts [1] Group 1: Laboratory Establishment - The "Key Laboratory for Coastal City Soil and Water Environment Evolution" has been jointly built by Shenzhen University, Guangdong Shenzhen Ecological Environment Monitoring Center, and Shenzhen Urban Planning and Design Institute [1] - This laboratory is the first of its kind in the country, specifically addressing the environmental challenges faced by large coastal cities, filling a significant gap in this field [1] Group 2: National Context - According to the Ministry of Ecology and Environment, there are currently 56 key laboratories across the country, with Shenzhen now having three [1] - The other two laboratories in Shenzhen focus on comprehensive prevention of surface and groundwater pollution and the protection of drinking water sources, respectively [1]