Introduction
Established in 1974, the National Institute for Environmental Research is an independent environmental research institute of the Japanese government. This paper analyzes the establishment background, research fields, research achievements of the Institute and its significance to environmental protection from many angles, aiming to fully understand the important role of the National Institute of Environmental Research in the field of environment. The research fields of the National Institute of Environmental Research cover ecology, atmospheric environmental science, biodiversity conservation, environmental policy and economics, environmental engineering and technology. By conducting systematic and comprehensive research, the Institute strives to solve global environmental problems and contribute to the protection of the Earth's environment. The research achievements of the National Institute of Environmental Research in Japan are rich and diverse. In the field of atmospheric environmental science, the Institute provides a scientific basis for policy formulation and environmental planning by studying the emission and transport mechanisms of atmospheric pollutants. In the field of ecology, the Institute has conducted a large number of ecological surveys and monitoring studies, providing important data support for biodiversity conservation. In the field of environmental policy and economics, the Institute conducts in-depth research on the relationship between environment and economy, providing decision support for the formulation of sustainable development policies.
