the United States’s
environment industry,
in focus.

Remote Sensing for Environmental Monitoring

19.5% of this theme group

Researchers highlight gaps in using aerial and satellite data to track ecosystem changes and resource management.

Environmental monitoring (47) · Remote sensing (9) · Earth system science (5) · Environmental resource management (14)

On the Use of Unmanned Aerial Systems for Environmental Monitoring

Remote sensing of environmental change over China: A review

Health‑Focused Environmental Risk Assessment

17.8% of this theme group

Papers point to insufficient tools for evaluating toxic impacts on human health and hazardous waste threats.

Risk assessment (18) · Human health (16) · Environmental impact assessment (9) · Hazardous waste (6)

Effect-Based Tools for Monitoring and Predicting the Ecotoxicological Effects of Chemicals in the Aquatic Environment

Pharmaceuticals and Personal Care Products in the Aquatic Environment: How Can Regions at Risk be Identified in the Future?

Water Quality Monitoring Challenges

16.9% of this theme group

Studies flag limitations in current methods for assessing groundwater, wastewater, and pollutant mixtures.

Water quality (36) · Groundwater (9) · Hydrology (7) · Wastewater (8)

Recent advances in nanomaterials for water protection and monitoring

Future water quality monitoring: improving the balance between exposure and toxicity assessments of real-world pollutant mixtures

Marine Debris and Microplastic Surveillance

14.5% of this theme group

Authors note the need for better sampling and long‑term programs to track plastic and algal bloom hazards.

Marine debris (10) · Aquatic ecosystem (14) · Microplastics (12) · Sampling (8)

Integrative monitoring strategy for marine and freshwater harmful algal blooms and toxins across the freshwater-to-marine continuum

Towards a North Pacific long-term monitoring program for ocean plastic pollution: A systematic review and recommendations for shorelines

Biodiversity Monitoring and Citizen Science

14.0% of this theme group

Works emphasize inconsistencies in data collection and coordination for large‑scale ecosystem observation.

Biodiversity (11) · Environmental resource management (16) · Citizen science (8) · Ecosystem (10)

NABat: A top-down, bottom-up solution to collaborative continental-scale monitoring

Triton Field Trials: Promoting Consistent Environmental Monitoring Methodologies for Marine Energy Sites

Pathogen and Pandemic Environmental Tracking

9.5% of this theme group

Research reveals gaps in detecting airborne and waterborne disease agents for early warning systems.

Warning system (6) · Pandemic (4) · Outbreak (3) · Infectious disease (3)

Monitoring airborne inoculum for improved plant disease management. A review

Environmental monitoring to enhance comprehension and control of infectious diseases

Air Quality Sensor Deployment Issues

7.8% of this theme group

Papers discuss shortcomings in sensor accuracy, coverage, and data integration for particulate monitoring.

Air quality index (24) · Air pollution (20) · Air monitoring (8) · Particulates (6)

Electrochemical Sensors for Air Quality Monitoring

IoT sensor nodes for air pollution monitoring: A review

eDNA Monitoring Methodological Limits

32.2% of this theme group

Authors caution about sampling design, detection bias, and interpretation challenges in DNA‑based biodiversity surveys.

Environmental DNA (6) · Biodiversity (6) · Citizen science (5) · Environmental resource management (6)

Past, present, and future perspectives of environmental DNA (eDNA) metabarcoding: A systematic review in methods, monitoring, and applicatio

Sampling Designs for Landscape-level eDNA Monitoring Programs

Passive Sampler Reliability Concerns

28.9% of this theme group

Studies warn of variability and uncertainty when using passive devices for water contaminant monitoring.

Risk assessment (7) · Water quality (8) · Environmental monitoring (13) · Contamination (8)

Performance of passive samplers for monitoring estuarine water column concentrations: 1. Contaminants of concern

Heterogeneity in biological assemblages and exposure in chemical risk assessment: Exploring capabilities and challenges in methodology with

Low‑Cost Air Pollution Sensors Accuracy

21.5% of this theme group

Researchers highlight calibration and data quality issues with inexpensive particulate monitoring technologies.

Air pollution (14) · Air quality index (10) · Environmental monitoring (17) · Particulates (6)

Monitoring Particulate Matter with Wearable Sensors and the Influence on Student Environmental Attitudes

Air Pollution Monitoring Using Cost-Effective Devices Enhanced by Machine Learning

Complex Contaminant Analysis Risks

17.4% of this theme group

Works point out difficulties in detecting and interpreting emerging pollutants and seasonal toxicity patterns.

Contamination (9) · Pollutant (6) · Effluent (3) · Pollution (5)

Going Beyond the Analysis of Common Contaminants: Target, Suspect, and Non-Target Analysis of Complex Environmental Matrices by High-Resolut

Seasonality and ecological risks of polycyclic aromatic hydrocarbons PAHS in environmental media and food crops of Ibaa, Niger Delta, Nigeri

Integrated IoT Platforms for Monitoring

24.4% of this theme group

Opportunities focus on linking sensors, remote sensing, and data streams for real‑time environmental management.

Environmental monitoring (144) · Systems engineering (16) · Remote sensing (35) · Environmental data (28)

An integrated system for urban environmental monitoring and management based on the Environmental Internet of Things

Real-Time Geo-awareness – Sensor Data Integration for Environmental Monitoring in the City

Advanced Chemical Sensing for Contaminants

21.8% of this theme group

Papers explore novel sensors and combined analytical approaches to detect pesticides and hazardous substances.

Contamination (42) · Environmental chemistry (21) · Pesticide (15) · Environmental monitoring (72)

Detecting marine hazardous substances and organisms: sensors for pollutants, toxins, and pathogens

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

eDNA for Habitat and Species Tracking

16.6% of this theme group

Research highlights the potential of DNA metabarcoding to monitor biodiversity across aquatic and terrestrial habitats.

Biodiversity (38) · Environmental DNA (35) · Habitat (25) · Ecosystem (24)

Environmental DNA (eDNA) for monitoring marine mammals: Challenges and opportunities

Effectiveness assessment of using riverine water eDNA to simultaneously monitor the riverine and riparian biodiversity information

Multi‑Objective Air Quality Network Design

12.2% of this theme group

Studies propose optimized sensor layouts that balance environmental, economic, and social performance metrics.

Air quality index (93) · Air pollution (79) · Air monitoring (22) · Particulates (21)

A multi-objective assessment of an air quality monitoring network using environmental, economic, and social indicators and GIS-based models

Use of electrochemical sensors for measurement of air pollution: correcting interference response and validating measurements

Smart Water Quality Sensor Systems

10.7% of this theme group

Works present ICT‑driven, high‑resolution sensors for continuous monitoring of surface and groundwater quality.

Water quality (85) · Hydrology (16) · Environmental monitoring (42) · Surface water (12)

Recent Advances in Information and Communications Technology (ICT) and Sensor Technology for Monitoring Water Quality

A Multi-sensor Process for In-Situ Monitoring of Water Pollution in Rivers or Lakes for High-Resolution Quantitative and Qualitative Water Q

Remote Sensing of Harmful Algal Blooms

7.5% of this theme group

Papers demonstrate satellite and proximal sensing techniques to predict and manage cyanobacterial bloom events.

Algal bloom (19) · Coral reef (6) · Coral (6) · Bloom (5)

Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources

Cyanobacteria as indicators of water quality in Campania coasts, Italy: a monitoring strategy combining remote/proximal sensing and<i>in sit

Low‑Power Wireless Sensor Networks

6.9% of this theme group

Research showcases energy‑efficient network designs for scalable, real‑time environmental data collection.

Wireless sensor network (66) · Wireless (18) · Environmental monitoring (33) · Software deployment (14)

Design and implementation of low-power wireless sensor networks for environmental monitoring

A Wireless Sensor Network for Environmental Monitoring of Greenhouse Gases

Houston

20.1% across the displayed hubs

38 companies hiring · $12.3B disclosed funding

New York City

19.4% across the displayed hubs

27 companies hiring · $12.5B disclosed funding

San Francisco

13.1% across the displayed hubs

26 companies hiring · $5.8B disclosed funding

Austin

11.8% across the displayed hubs

16 companies hiring · $1.1B disclosed funding

Los Angeles

9.9% across the displayed hubs

9 companies hiring · $1.9B disclosed funding

San Diego

9.2% across the displayed hubs

14 companies hiring · $401.4M disclosed funding

Chicago

8.7% across the displayed hubs

13 companies hiring · $2.3B disclosed funding

Denver

7.9% across the displayed hubs

11 companies hiring · $595.3M disclosed funding