Japan’s
environment industry,
in focus.

Contaminant Risk and Health Impact

19.8% of this theme group

Researchers highlight uncertainties in assessing emerging contaminants and their effects on human health and ecosystems.

Risk assessment (141) · Contamination (168) · Human health (147) · Environmental impact assessment (149)

A review on emerging contaminants in wastewaters and the environment: Current knowledge, understudied areas and recommendations for future m

Addressing the Uncertainties in the Environmental Analysis, Modeling, Source and Risk Assessment of Emerging Contaminants

Environmental Monitoring and Management

19.2% of this theme group

Papers discuss the evolution of monitoring practices and frameworks for managing natural resources and planning.

Environmental monitoring (660) · Environmental resource management (209) · Environmental management system (79) · Environmental planning (134)

Environmental Monitoring in the Making: From Surveying Nature’s Resources to Monitoring Nature’s Change

Management and Organization of Environmental Monitoring Sites

Biodiversity and Habitat Monitoring

18.6% of this theme group

Studies focus on improving detection of species and ecosystem health using DNA and other monitoring tools.

Biodiversity (155) · Ecosystem (142) · Environmental DNA (42) · Habitat (58)

Improving biodiversity monitoring

Monitoring Threatened Species and Ecological Communities

Water Quality and Hydrology

17.4% of this theme group

Works examine methods for assessing surface and groundwater quality and related pollution impacts.

Water quality (445) · Hydrology (113) · Groundwater (107) · Surface water (79)

Monitoring of Water Pollution and its Consequences: An Overview

Methodical approaches for the assessment of the quality of surface and groundwater in the system of environmental-meliorative monitoring

Smart Sensor Networks for Monitoring

11.3% of this theme group

Research surveys IoT and wireless sensor approaches for real‑time environmental observation.

Wireless sensor network (123) · Environmental monitoring (279) · Internet of Things (60) · Remote sensing (70)

Advances in Smart Environment Monitoring Systems Using IoT and Sensors

Wireless Sensor Networks: a Survey on Environmental Monitoring

Air Quality and Particulate Concerns

8.1% of this theme group

Articles review emerging airborne pollutants, health implications, and measurement challenges.

Air quality index (205) · Air pollution (205) · Particulates (60) · Indoor air quality (36)

An overview of selected emerging outdoor airborne pollutants and air quality issues: The need to reduce uncertainty about environmental and

A review on estimating the effects of inhaling airborne pollutants and air quality monitoring

Plastic Pollution in Marine Systems

5.7% of this theme group

Literature assesses sources, distribution, and ecological risks of microplastics in aquatic environments.

Microplastics (234) · Plastic pollution (87) · Pollution (92) · Marine debris (39)

Microplastics in Aquatic Ecosystems: A Review of Ecotoxicological Effects, Exposure Pathways and Trophic Transfer Risks

Microplastics: An Overview of Sources, Distribution, and Removal Methods

eDNA Limitations for Biodiversity

17.4% of this theme group

Cautions address challenges in using environmental DNA for accurate species abundance and habitat assessments.

Biodiversity (36) · Habitat (28) · Environmental DNA (27) · Abundance (16)

The use of environmental DNA in monitoring aquatic biodiversity for conservation: a review of challenges and opportunities

Environmental DNA metabarcoding for monitoring fish biodiversity in remote lakes

Heavy Metal Contamination Risks

15.7% of this theme group

Papers warn about uncertainties in assessing metal toxicity in soils and sediments.

Heavy metals (53) · Contamination (106) · Pollution (101) · Sediment (53)

Evaluation of Heavy Metal Levels and its Applications in Risk Assessment Indices in the Soils of Some Communities in Gokhana Local Governmen

Contamination Levels and Ecological Risk Assessment of Potentially Toxic Metals in Sediments of Eleyele Lake and Odo-Iyaalaro River, Nigeria

Water Quality Monitoring Gaps

15.4% of this theme group

Studies highlight the need for better continuous monitoring and contaminant detection in water resources.

Water quality (130) · Hydrology (47) · Wastewater (29) · Groundwater (29)

Evaluation of Continuous Monitoring as a Tool for Municipal Stormwater Management Programs

Assessment of Physicochemical Characteristics and Emerging Contaminants in Selected Water Sources: Implications for Public Health and Enviro

Sensor and Software Deployment Issues

15.1% of this theme group

Research points out technical and methodological hurdles in deploying sensor networks for environmental data collection.

Environmental monitoring (96) · Software deployment (27) · Wireless sensor network (12) · Environmental resource management (18)

Mathematical Modelling of Biosensing Platforms Applied for Environmental Monitoring

A Review of Optical Sensor Applications in Water, Atmospheric and Soil Environmental Monitoring

Pesticide and Microplastic Risk Assessment

14.8% of this theme group

Works caution against incomplete risk evaluations for chemicals and plastic particles in aquatic ecosystems.

Pesticide (49) · Microplastics (28) · Risk assessment (44) · Aquatic ecosystem (29)

Fluoroquinolones in the Wenyu River catchment, China: Occurrence simulation and risk assessment

Spatially\nExplicit Large-Scale Environmental Risk\nAssessment of Pharmaceuticals in Surface Water in China

Air Pollution Measurement Uncertainty

11.5% of this theme group

Articles discuss variability and reliability concerns in low‑cost and mobile air quality monitoring.

Air pollution (81) · Air quality index (70) · Particulates (41) · Indoor air quality (14)

Using Mobile Monitoring and Atmospheric Dispersion Modeling for Capturing High Spatial Air Pollutant Variability in Cities

Development and Application of Low-Cost Environmental Sensors for the Evaluation of Ambient Air Quality and Related Emission Sources

Broad Environmental Risk Assessment Limits

10.1% of this theme group

Papers critique current frameworks for evaluating chemical hazards across ecosystems.

Environmental impact assessment (40) · Risk assessment (48) · Environmental risk assessment (14) · Environmental monitoring (31)

The use of diagnostic tools to assess the risks of chemicals to freshwater ecosystems: towards a unified evaluation framework

A systematic review and ecological risk assessment for organic ultraviolet filters in aquatic environments

Remote Sensing for Environmental Insight

26.4% of this theme group

Opportunities explore advanced satellite and aerial techniques for large‑scale ecosystem monitoring.

Environmental monitoring (819) · Remote sensing (149) · Environmental data (134) · Environmental resource management (118)

Quantitative remote sensing-based monitoring and evaluation of the ecological environment in mining areas: technology framework and applicat

Remote Sensing for Environmental Monitoring. Complex Modeling

Integrated Contaminant Monitoring Strategies

18.9% of this theme group

Research promotes combining targeted and untargeted analyses to improve exposure modeling and risk assessment.

Contamination (215) · Microplastics (86) · Pollutant (173) · Pollution (199)

Exploiting monitoring data in environmental exposure modelling and risk assessment of pharmaceuticals

Monitoring of Environmental Contaminants in Mixed-Use Watersheds Combining Targeted and Nontargeted Analysis with Passive Sampling

eDNA for Ecosystem Management

14.3% of this theme group

Studies highlight the potential of DNA metabarcoding to support sustainable biodiversity monitoring.

Biodiversity (205) · Environmental DNA (153) · Ecosystem (128) · Habitat (82)

An Integrated Approach of Multi-Community Monitoring and Assessment of Aquatic Ecosystems to Support Sustainable Development

Data Sheet 1_Monitoring terrestrial rewilding with environmental DNA metabarcoding: a systematic review of current trends and recommendation

Real‑Time Water Resource Monitoring

13.3% of this theme group

Works showcase automated systems and models for managing water quality and flow dynamics.

Water quality (437) · Hydrology (91) · Water resources (51) · Environmental monitoring (233)

Establishment of an Automatic Real-Time Monitoring System for Irrigation Water Quality Management

Modelling and monitoring of suspended matter in surface waters using remotely sensed data

Wireless Networks for Field Monitoring

9.4% of this theme group

Papers present novel sensor network designs for continuous environmental condition tracking.

Wireless sensor network (510) · Wireless (170) · Key distribution in wireless sensor networks (44) · Real-time computing (105)

Wireless Sensor Networks for Living Environment Monitoring

Development of a Wireless Sensor Network for Monitoring Environmental Condition on a Farmland

IoT‑Enabled Environmental Intelligence

9.2% of this theme group

Research demonstrates cloud‑connected devices for automated water and air quality surveillance.

Internet of Things (314) · Cloud computing (93) · Environmental monitoring (219) · Microcontroller (53)

Development of IoT for Automated Water Quality Monitoring System

IoT-Enabled Environmental Intelligence: A Smart Monitoring System

Advanced Air Quality Sensor Platforms

8.4% of this theme group

Studies develop and evaluate sensor‑based systems for detailed urban pollutant monitoring.

Air quality index (326) · Air pollution (276) · Particulates (77) · Air monitoring (66)

Air quality monitoring in urban environments

Experimental evaluation of airborne pollutants using sensor-based monitoring

Tokyo

39.0% across the displayed hubs

1 companies hiring · $109.1M disclosed funding

Osaka

13.6% across the displayed hubs

0 companies hiring · $51.4M disclosed funding

Minato City

13.6% across the displayed hubs

0 companies hiring · $50.8M disclosed funding

Chiyoda City

11.0% across the displayed hubs

0 companies hiring · $89.4M disclosed funding

Nagoya

6.5% across the displayed hubs

0 companies hiring · $1.5M disclosed funding

Chuo City

6.5% across the displayed hubs

1 companies hiring · $4.4M disclosed funding

Shibuya

5.2% across the displayed hubs

0 companies hiring · $1.1M disclosed funding

Minato

4.5% across the displayed hubs

0 companies hiring · $8.0M disclosed funding