Schematic diagram of the Space–Air–Ground–Sea integrated eco-environment monitoring network. Credit: Environmental Science and Ecotechnology (2025). DOI: 10.1016/j.ese.2025.100585

Environmental pressures are mounting globally. Air and water pollution claim millions of lives annually, biodiversity loss is accelerating, and climate tipping points loom ever closer. Yet one of the greatest challenges in tackling these crises is the lack of real-time, high-quality data to guide responsive policymaking.

Traditional monitoring systems are often fragmented, slow, and reactive—offering too little, too late. As a result, governments struggle to assess or implement timely solutions. Due to these limitations, there is a growing imperative to build smart, integrated, and automated monitoring networks that can offer early warnings and strategic guidance for environmental governance.

A research team led by Dr. Dawei Zhang at the China National Environmental Monitoring Center has introduced a sweeping environmental surveillance initiative, in Environmental Science and Ecotechnology.

The paper presents China's development of a massive, data-driven monitoring system capable of capturing real-time environmental dynamics across space, air, ground, and sea. This unified network—unprecedented in scale and design—forms the backbone of China's ecological governance strategy and serves as a technological framework that could be adapted worldwide to meet sustainability and climate objectives.

Over the past decade, China has built an expansive monitoring infrastructure, which includes over 330,000 stations nationwide and multiple orbiting satellites. These facilities track a wide range of indicators, from PM2.5 levels and river water chemistry to soil contamination and ocean currents.

Key innovations include unmanned drones, AI-powered analytics, and automated labs that cut response times and reduce costs. A central "smart brain" platform merges these diverse data streams into predictive models for air pollution alerts, ecological health assessments, and climate trend forecasts. The system also enforces strict data accountability through traceable workflows and real-time alerts for anomalies.

This approach has yielded a measurable impact. For instance, national PM2.5 levels dropped by more than 35% between 2015 and 2022. Internationally, the same digital labs and sensing tools have been deployed in Belt and Road countries, increasing laboratory efficiency by 100% and lowering operational costs by 20%. By combining scale, precision, and intelligent integration, the project illustrates how digital transformation can fundamentally reshape environmental governance and public health strategies.

"Intelligent environmental monitoring is no longer a luxury—it's a necessity," says Dr. Dawei Zhang, Director of the China National Environmental Monitoring Center. "Our experience shows that when real-time data is integrated with smart analytics, we can predict, prevent, and even reverse environmental damage. This system is not just a national achievement—it's a scalable, collaborative tool that can help the global community respond more effectively to ecological challenges."

Beyond China's borders, this model offers an adaptable framework for other countries aiming to modernize their environmental governance. With environmental threats transcending national boundaries, the ability to share across regions is critical. The study calls for strengthened global partnerships through initiatives like the Group on Earth Observations and the Global Environmental Monitoring Partnership.

By sharing technologies, establishing data standards, and investing in smart infrastructure, nations can collectively build a digital backbone for sustainable development. In an era of interconnected ecological crises, embracing intelligent, connected systems may prove essential to safeguarding Earth's future.

More information: Dawei Zhang, Establishing a nation-wide eco-environment monitoring network for sustainable governance, Environmental Science and Ecotechnology (2025).