Radar · Industry landscape · the United States
Environment Tech Landscape of the United States
6,626 Environment Tech companies in the United States, in one picture: who is hiring, who is raising money, who founded them, where they are based, what the news is about, which skills employers want and where the research is going. Updated August 2026.
6,626companies tracked
$96.6Bdisclosed funding
522hiring right now
3,938events · 24 months
300,677news articles · 12 months
Who leads Environment Tech in the United States
Tracks 6,626 U.S. environment‑tech firms, highlighting the top hiring firms, the best‑funded companies, and the number currently hiring or with disclosed funding rounds.
open roles
Hiring now
ranked by live open roles
- 01
Clean Harbors13last posted Aug 2026
- 02
Ecolab13last posted Aug 2026
- 03
Particle Measuring Systems12last posted Jul 2026
- 04
First Solar12last posted Aug 2026
- 05
Nextracker12last posted Aug 2026
- 06
Willdan11last posted Jun 2026
- 07
Beehive Industries11last posted Jun 2026
- 08
Generac11last posted Aug 2026
522 companies hiring · 20 posted in the last 30 days
disclosed funding
Most funded
disclosed totals, all rounds
- 01
VoltaGrid$5.9BSeries D · May 2026
- 02
Redwood Materials$4.5BSeries E · Jan 2026
- 03
View$4.2BPost IPO · Oct 2022
- 04
Terra-Gen$2.7BSeries A · Mar 2024
- 05
Nexamp$2.1BConventional Debt · Apr 2026
- 06
Ascend Elements$2.1BGrant (prize money) · Feb 2025
- 07
Palmetto$1.9BConventional Debt · Jan 2025
- 08
Solyndra$1.8BSeries E · Jan 2018
1,760 companies with disclosed rounds · $96.6B total
revenue
Revenue leaders
official filings first, else latest snapshot
- 01
tesla$22.4BFY2023 filing
- 02
- 03
Vertiv$2.6BFY2026 filing
- 04
Xylem Water Solutions$2.1BFY2023 filing
- 05
Resideo$1.9BFY2026 filing
- 06
- 07
Acuity Brands$1.1BFY2026 filing
- 08
PHINIA$878MFY2023 filing
54 companies with a revenue figure
headcount
Largest teams
ranked by tracked headcount
- 01
KORE Power132,692tracked employees
- 02
- 03
- 04
- 05
Orbia24,736tracked employees
- 06
- 07
- 08
548 companies with headcount data
share of events
Share of voice
share of all tracked sector news events, 24 months
- 01
- 02
- 03
- 04
Enphase Energy2.4%153 tracked events
- 05
- 06
- 07
- 08
Simple Energy1.7%104 tracked events
6,246 tracked events across 481 companies
articles
In the news
Prism news coverage, last 12 months
- 01
ERP7,460articles in the window
- 02
AccuWeather4,342articles in the window
- 03
NEP1,120articles in the window
- 04
Raritan968articles in the window
- 05
- 06
- 07
RTS752articles in the window
- 08
518 of these companies drew sector coverage in the window
Radar
See all 6,626 Environment Tech companies in the United States
Filter by funding, headcount, hiring and location, and export the list.
How the Environment Tech ecosystem in the United States grew, 2016–2025
Shows yearly company formation counts from 2016‑2025, with the highest number of new firms (377) recorded in 2018 and 37 founded in 2025.
Companies founded / year
new Environment Tech companies in the United States
20162025
peak 377 in 2018
Companies raising / year
with a disclosed round that year
20162025
peak 346 in 2022
Disclosed funding / year
sum of disclosed rounds (USD)
20162025
peak $13.4B in 2025
Where Environment Tech companies in the United States are based
Lists the cities with the most environment‑tech companies, led by San Francisco (272) and New York City (254).
Hub 01
San Francisco
272 Environment Tech companies
23% of the Environment Tech companies across these hubs
272companies
$8.5Bdisclosed funding
32hiring now
Hub 02
New York City
254 Environment Tech companies
21% of the Environment Tech companies across these hubs
254companies
$5.5Bdisclosed funding
14hiring now
Hub 03
Houston
145 Environment Tech companies
12% of the Environment Tech companies across these hubs
145companies
$7.4Bdisclosed funding
17hiring now
Hub 04
Austin
121 Environment Tech companies
10% of the Environment Tech companies across these hubs
121companies
$689Mdisclosed funding
5hiring now
generated artwork
Hub 05
Los Angeles
111 Environment Tech companies
9% of the Environment Tech companies across these hubs
111companies
$1.3Bdisclosed funding
11hiring now
Hub 06
Boston
105 Environment Tech companies
9% of the Environment Tech companies across these hubs
105companies
$5.3Bdisclosed funding
14hiring now
Hub 07
San Diego
92 Environment Tech companies
8% of the Environment Tech companies across these hubs
92companies
$1.2Bdisclosed funding
5hiring now
Hub 08
Chicago
86 Environment Tech companies
7% of the Environment Tech companies across these hubs
86companies
$464.3Mdisclosed funding
8hiring now
The Environment Tech market map of the United States: what these companies actually do
Breaks down product sub‑categories and revenue models, noting the largest groups such as enterprise tech (4,683 firms) and the most common models like subscription (3,054 firms).
- Enterprise Tech4,683 companies · $86.6B raised · 413 hiring
- Enterprise Software1,601 companies · $15.1B raised · 133 hiring
- Consumer Digital1,494 companies · $19.2B raised · 100 hiring
- Circular Economy1,094 companies · $23.9B raised · 107 hiring
- SaaS1,058 companies · $22.5B raised · 87 hiring
- Energy SaaS736 companies · $6.3B raised · 55 hiring
- Smart Buildings722 companies · $6.5B raised · 46 hiring
- Deep Tech696 companies · $25.3B raised · 87 hiring
- Building Energy Management System496 companies · $3.2B raised · 29 hiring
- Industrial Internet of Things364 companies · $4B raised · 28 hiring
- Solar Energy Tech359 companies · $18.2B raised · 44 hiring
- Real Estate SaaS348 companies · $2.3B raised · 23 hiring
Monetization
How Environment Tech companies make money
How many companies earn revenue each way. Plenty use more than one model, so the counts add up to more than the sector.
Subscription3,054
Physical Commerce2,343
E-Commerce - Product1,486
Fee-For-Service998
Commission on Transaction618
Advertising204
E-Commerce - Service203
Licensing43
Funding, M&A and the deals moving Environment Tech in the United States
Counts 3,938 corporate events over the past two years, including earnings releases, announcements, leadership changes, funding rounds, and contracts.
Earnings 753Announcement 598Leadership 514Funding 479Contracts 370M&A 302Lawsuit 230Assets 167Capital 120Jobs 119
- M&AConsulting.us Arcadia, a Washington, DC-based provider of energy intelligence software for businesses, has agreed to acquire Engie Impact.2026-05-05
- M&ANew York-based GreenSpark Software and Los Angeles-based ReMatter, two software platforms serving the metal recycling industry, have merged, creating a single company known as ReSpark.2026-05-04
- IPOFervo Energy said on Monday it was targeting a valuation of up to US$6.5 billion in its initial public offering in the United States. The Houston-based energy developer also said it is aiming to raise up to $1.3 billion in the IPO by offering 55.6 million shares priced between $21 and $24 apiece.2026-05-04
- FundingClarasight has now raised a total of $21.1M in total equity funding and is backed by AlleyCorp, Clocktower Technology Ventures, Future Back Ventures by Bain & Company, Pulse Fund, Rackhouse Venture Capital, Thayer Investment Partners, Vestigo Ventures, and XYZ Venture Capital.2026-05-04
- M&AStem announced it has acquired software assets from raicoon, a solar fault-detection software provider, in a tech M&A deal.2026-04-29
- M&AJohnson Controls International PLC has acquired Nantum AI, a building operations and energy optimization software vendor, in a tech M&A deal aimed at enhancing its smart building capabilities.2026-04-29
- FundingNexamp, a developer of solar and battery storage projects, secured a $200 million credit facility from Nuveen Energy Infrastructure Credit, acting as the sole lender. The facility is structured as a delayed-draw term loan, with an initial commitment of $125 million and the option to access an additional $75 million.2026-04-29
- M&AVertiv Acquires Strategic Thermal Labs2026-04-28
- FundingAce Green Recycling, Inc., a leading provider of sustainable battery recycling technology solutions, and Athena Technology Acquisition Corp. II, a publicly traded special purpose acquisition company, announced that they have entered into securities purchase agreements with certain investors for an aggregate $32 million private investment in public equity (PIPE) financing to support their previously-announced proposed business combination, with the common stock of the combined company expected to be listed on the Nasdaq Stock Market under the ticker “AGXI” following the consummation of the Proposed Business Combination.2026-04-28
- M&ACompetitor International Paper also announced this month that it would acquire North Pacific Paper Company (Norpac), a Washington-based producer of lightweight recycled packaging papers.2026-04-27
Mergers and acquisitions
Deals from the last 24 months where a Environment Tech company in the United States was the buyer or the one bought, newest first. “Undisclosed” means the price was never published — not that the deal was worth nothing.
| Acquirer | Target | Deal value | Status | Date |
|---|---|---|---|---|
| undisclosed | Announced | 2026-05-05 | ||
| undisclosed | Completed | 2026-05-04 | ||
| undisclosed | Announced | 2026-05-01 | ||
| undisclosed | Announced | 2026-04-29 | ||
| Strategic Thermal Labs | undisclosed | Announced | 2026-04-28 | |
| undisclosed | Completed | 2026-04-28 |
Who is listing, hiring leaders, launching and winning work
Details specific event types such as IPO filings, leadership moves, product launches, and contract wins for the sector.
IPO pipeline
8 companies listed or filing · last 24 months
Fervo EnergyIPO · Nasdaq · FRVO · 3 reportsMay 2026
Aptera MotorsDirect Listing · Nasdaq · SEV · 3 reportsNov 2025
NoonIPO · 1 reportSep 2025
Husk Power SystemsIPO · 1 reportJul 2025
Sky QuarryIPO · NASDAQ · SKYQ · 4 reportsApr 2025
BuildingIQIPO · Australian Securities Exchange · 1 reportFeb 2025
Leadership moves
187 tracked people moves · last 12 months
GHG ProtocolTim Mohin · Appointment → Chief Executive OfficerApr 2026
RoutewareKristy McKnight · Appointment → Chief Product OfficerApr 2026
POWWRMartin Eade · Appointment → Chief Operating OfficerApr 2026
Renew BiomassDustin Dover · Appointment → Board chairApr 2026
Product launches
tracked launches · last 12 months
PersefoniPersefoni Analytics Agent (AI Agent)May 2026
WatershedWatershed AI Fellowship (Training program)Apr 2026
novolexSignature dessert cups (Dessert cups)Apr 2026
H2Ok InnovationsAI agents for dairy factory (AI / Automation)Apr 2026
Contract wins
205 customer wins · last 24 months
Living Carbonwon Octopus Energy GenerationApr 2026
Caelux Corporationwon solxApr 2026
Graphytewon JPMorganChaseApr 2026
Workforce actions
20 companies cutting roles · last 24 months
Bluezonefresh~200 roles reported · fuel shortageMar 2026
Origin Materials~32% of workforce reported · cost reductionFeb 2026
printpack~111 roles reported · plant closureJan 2026
Regulatory & litigation
89 regulatory events · 38 tracked suits · 24 months
- dennis, leslie, tyler, Noelle Hansen, bradley, Jordan Nelson v UBS Financial Services Inc.arbitration award appeal · VerdictMay 2026
- Tesla shareholders v teslashareholder lawsuitApr 2026
Earnings pulse
companies reporting results · last 24 months
68 companies reporting832 company-quarters trackedbeat 169miss 120in line 20
Half of these companies grew revenue faster than +8.0%, half slower.
Who is building Environment Tech in the United States
Profiles 3,787 founders and CEOs across 2,803 firms, noting frequent alma maters like Stanford (126) and common prior employers such as Microsoft (21).
Founders and chief executives12 of 3,787, from the best-funded companies on this page
Worcester Polytechnic Institute. Tianjin University, University of Windsor PhD
Ex- BHP, Ford. Stanford University Graduate School of Business MBA 2017, The University of Tulsa BSc 2012
Ex-Enlighted, Barclays Capital, Lehman Brothers, Northrop Grumman. University of California Berkeley BS 2008
repeat founder
Founder & CEO Valo Health · Flagship Pioneering, Omega Therapeutics, Senda Biosciences, Inari, KSQ Therapeutics, & Seres Therapeutics…
repeat founder
Summit Agricultural Group, FS Fueling Sustainability, Amber Wave. University of Iowa
Enphase Energy, ex-Innocharge Solutions, ex-Cypress Semiconductor, Stanford University Graduate School of Business, 2008
Lancium, ex-Certified Holdings, ex-Ror Capital, Georgetown University, 2002
Ex- Director 24M Technologies. Penn State University BS 2008, Massachusetts Institute of Technology PhD 2013
ZippyYum, ex-Operative, CEO Tangoe. Trinity College-Hartford 1982
Where the founders studied
alma mater on record for 763 of 3,787 founders
Stanford University126
Massachusetts Institute of Technology116
Harvard University72
Cornell University53
University of California (Berkeley)48
Harvard Business School42
University of Pennsylvania41
Columbia University35
Where they worked before
a previous employer on record for 129 of 3,787 founders
Microsoft21
Google17
McKinsey16
Goldman Sachs12
Boston Consulting Group10
Cisco9
Morgan Stanley8
Amazon8
Founders flagged as repeat founders
of 3,215 founders with a profile on this page
26
carry a repeat-founder flag
- flagged as repeat founders26
- no repeat-founder flag3,189
Women and men among the founders
first names matched for 3,474 of 3,787 founders
12%
of matched founders are women
- women406
- men3,068
Inferred from first names, using 119 million people who state their own gender: a first name counts only where at least 20 of them share it and at least 90% of those share the same gender. The other 313 founders go in neither column.
Radar
Look up the people behind Environment Tech companies in the United States
Search founders, executives and operators by company, role and location.
Who funds Environment Tech in the United States
Records 4,344 funding rounds since 2016 from 3,041 investors, with a typical round size of $2.2 million.
| Investor · most active investors since 2016 | Rounds | Led | Latest |
|---|---|---|---|
| OSTI | 301 | — | Dec 2025 |
| National Science Foundation | 138 | — | Aug 2025 |
| Climate Capital | 87 | 49 | Nov 2024 |
| DOE | 68 | 1 | Jan 2025 |
| America’s Seed Fund | 63 | — | Dec 2024 |
| Europa | 62 | — | Jan 2024 |
| Y Combinator | 58 | 23 | Jan 2026 |
| Techstars | 53 | 34 | Jun 2025 |
| Breakthrough Energy | 53 | 18 | Dec 2025 |
| Energy Impact Partners | 42 | 21 | Feb 2026 |
Stage mix · rounds since 2016
Seed & Angel1,304
Series A–B1,292
Series C+ / PE421
Grants, debt & other1,327
The typical round is $2.2M — half were bigger, half smaller.
The biggest Environment Tech funding rounds in the United States
Highlights the largest disclosed round—View’s $1.1 billion Series H—and lists ten other large recent rounds.
| Company | Round | Size | When | Backers |
|---|---|---|---|---|
| Series Hmega-round | $1.1B | Nov 2018 | SoftBank Vision Fund | |
| Series Amega-round | $1.1B | Oct 2021 | The Rise Fund | |
| Series Dmega-round | $1B | Aug 2023 | Goldman Sachs Asset Management, Capricorn, OMERS +4 more | |
| Series Bmega-round | $1B | Mar 2023 | Ara Partners, Enbridge | |
| Series Hmega-round | $800M | Dec 2018 | — | |
| Series Cmega-round | $776.6M | May 2021 | T. Rowe Price, Baillie Gifford, Fidelity Investments +10 more | |
| Series Dmega-round | $775M | May 2026 | Blackstone, Halliburton | |
| Series Emega-round | $520M | Mar 2024 | Manulife Investment Management, DGC, Generate Capital | |
| Series Fmega-round | $500M | Nov 2022 | Brookfield Renewable U.S. | |
| Series Cmega-round | $500M | Jan 2023 | Monroe Capital, Invitation Homes |
Venture round sizes · 2023–2025
<$1M132
$1–10M288
$10–50M224
$50–250M64
>$250M13
721 venture rounds with a disclosed amount in the window.
Fresh cheques · last 6 months
Series A$65MMay 2026
Series A$64MMay 2026
Series F$35MMay 2026
Conventional Debt$35MMay 2026
Series A$19MMay 2026
Series B$13MMay 2026
Series A$12.5MMay 2026
What the news says about Environment Tech in the United States
Aggregates 300,677 news articles from the last year, most often covering climate mitigation, activism, COVID‑19 vaccine topics, and solar PV systems.
News volume
Environment Tech coverage across United States · articles per quarter
2021Q22026Q1
peak 131,340 in 2025Q1 · 300,677 articles in the last 12 tracked months
Tone of coverage
share of articles by dominant sentiment (positive / neutral / negative)
202120232025
Positive-tone share moved 65% → 69%, negative 34% → 30% across 2021–2025.
What the coverage is about
The subjects that dominate Environment Tech news in United States. The arrow shows whether each one is being written about more or less than a year ago.
- Climate change mitigation strategies43,521→-5%
- Climate activism and youth movements38,890→+3%
- Covid-19 vaccine development and efficacy trials32,567▲+354%
- Solar photovoltaic (pv) energy systems32,121→+5%
- Air quality improvement initiatives30,253→-8%
- Biodiversity conservation efforts29,085→+8%
- Renewable energy sources and technologies27,240→-1%
- Ocean conservation and marine protection25,955▲+25%
- Environmental policy debates24,582→-8%
- New product launches and innovations23,612→-2%
Most-covered companies · last 12 months
- 7,460
- 4,342
- 1,120
- 968
- 885
- 850
- 752
- 684
- 669
- 571
518 Environment Tech companies here were named in the news over this period.
Prism
Watch Environment Tech coverage in United States as it happens
Prism follows these subjects story by story — which companies are named, what is said about them and how the tone moves.
Momentum
The words getting louder — and quieter
Which terms are showing up in more stories than a year ago, and which are fading. The percentage is the change in how many articles mention them.
vaccine candidates+357%vaccine trials+323%vaccination campaigns+454%artemis program+1127%vaccine immunogenicity+348%mass vaccination sites+795%marine ecosystem+50%ocean sanctuaries+53%vaccination coverage+779%freshwater advocacy+52%
air quality standards-58%pollution monitoring-54%hazardous air quality-85%organic recycling-33%smog alerts-90%
The pressures the press keeps returning to
Three recurring angles in United States Environment Tech coverage, and whether each is getting more attention year on year (through 2025).
Regulatory Risk ▲ rising
373,338 articles touch this dimension · 52.2% critical tone
20212025
signals: clean energy mandates, climate protests, solar electricity generation
Funding Momentum ▲ rising
117,529 articles touch this dimension · 50.9% critical tone
20212025
signals: pollution control statutes, air quality standards, clean air advocacy
Growth ▲ rising
128,190 articles touch this dimension · 43.6% critical tone
20212025
signals: dc fast-charging deployment, charging corridor development, solar electricity generation
Environment Tech jobs in the United States: who is hiring and what they ask for
Shows 13,224 job postings from 690 employers in 12 months, with common skill requirements and a median advertised salary of $73 k per year.
13,224postings · last 12 months
19,070postings tracked overall
690employers advertising
$73kmedian advertised salary/yr (n=1863)
Demand
The Skills Employers Ask For
What Environment Tech employers in the United States put in their job ads. The bar is how many postings ask for it; the arrow shows whether demand grew or shrank against the year before.
- excel289▲
- python173▲
- sql132▲
- word123▲
- microsoft office119▲
- outlook98▲
- salesforce88▲
- powerpoint83▲
- crm76▲
- aws71▲
What level are these roles?
Entry344
Intern262
Senior1,392
Lead548
Manager3,233
What they pay, by level
- Manager$110k/yr (n=313)
- Senior$122k/yr (n=122)
- Lead$110k/yr (n=40)
- Entry$60k/yr (n=45)
Most advertised titles
- 316
- 284
- 160
- 128
- 118
- 117
What Environment Tech research in the United States is working on
Summarizes 3,039 papers from India‑affiliated institutions, categorizing them into identified problems (470), cautions (156), and opportunities (1,218).
How this field talks about itself
United States-affiliated Environment Tech papers (gold) against all published research (grey)
Descriptive37.1% · 17.2%2.2×
Promising24.3% · 36.7%0.7×
Breakthrough15.8% · 26.5%0.6×
Problem-identifying15.4% · 9.8%1.6×
Cautionary5.1% · 4.7%≈ par
Comparative2.2% · 4.1%0.5×
United States-affiliated Environment Tech literature runs 2.2× more “descriptive” than science at large (37.1% vs 17.2% baseline).
How the work is done
Empirical51.9%
Methods-led31.4%
Reviews12.3%
Position pieces4.3%
Theoretical0.1%
How the research reads
80% positive · 8% neutral · 12% negative, across 3,039 papers.
The institutions doing the work · United States
- 4k
- 4k
- 1k
- 1k
- 1k
- 1k
ranked by how often their work is cited
Leading researchers · United States-affiliated work
Laurent Lebreton · Joost van der Zwet · Jan-Willem Damsteeg · Boyan Slat · Anthony L. Andrady · Md Saydur Rahman · Krista M. Ruppert · Richard J. Kline
The most-cited breakthroughs
- Environmental sensor networks in ecological research · 165 cites
- State-of-the-art lab chip sensors for environmental water monitoring · 153 cites
- Measurement of Cyanobacterial Bloom Magnitude using Satellite Remote Sensing · 140 cites
- Detecting marine hazardous substances and organisms: sensors for pollutants, toxins, and pathogens · 140 cites
- Linking Public Participation in Scientific Research to the Indicators and Needs of International Environmental Agreements · 134 cites
Common problems researchers identify421 papers · 7 recurring themes
Problems · theme 01
Remote Sensing for Environmental Monitoring
82 papers · 19.5% of this block
▼ -19% share2022→2025 share of research on this subject
Researchers highlight gaps in using aerial and satellite data to track ecosystem changes and resource management.
Environmental monitoring · Remote sensing · Earth system science · Environmental resource management
“On the Use of Unmanned Aerial Systems for Environmental Monitoring”
82 of these papers raise it as a problem
Problems · theme 02
Health and Ecotoxicology Risk Gaps
75 papers · 17.8% of this block
▲ +37% share2022→2025 share of research on this subject
Papers point out insufficient tools for assessing chemical impacts on human health and ecosystems.
Risk assessment · Human health · Environmental impact assessment · Hazardous waste
“Effect-Based Tools for Monitoring and Predicting the Ecotoxicological Effects of Chemicals in the Aquatic Environment”
75 of these papers raise it as a problem
Problems · theme 03
Water Quality Monitoring Challenges
71 papers · 16.9% of this block
▼ -5% share2022→2025 share of research on this subject
Studies flag limitations in current methods for tracking contaminants in groundwater and wastewater.
Water quality · Groundwater · Hydrology · Wastewater
“Recent advances in nanomaterials for water protection and monitoring”
71 of these papers raise it as a problem
Problems · theme 04
Marine Debris and Microplastic Tracking
61 papers · 14.5% of this block
▲ +31% share2022→2025 share of research on this subject
Authors note the need for better sampling and long‑term programs to monitor plastic pollution.
Marine debris · Aquatic ecosystem · Microplastics · Sampling
“Integrative monitoring strategy for marine and freshwater harmful algal blooms and toxins across the freshwater-to-marine continuum”
61 of these papers raise it as a problem
Problems · theme 05
Biodiversity Monitoring and Citizen Science
59 papers · 14.0% of this block
▼ -16% share2022→2025 share of research on this subject
Research reveals inconsistencies in collaborative approaches for large‑scale ecosystem observation.
Biodiversity · Environmental resource management · Citizen science · Ecosystem
“NABat: A top-down, bottom-up solution to collaborative continental-scale monitoring”
59 of these papers raise it as a problem
Problems · theme 06
Pathogen Surveillance in the Environment
40 papers · 9.5% of this block
▼ -57% share2022→2025 share of research on this subject
Works identify shortcomings in detecting airborne and waterborne disease agents for outbreak prevention.
Warning system · Pandemic · Outbreak · Infectious disease
“Monitoring airborne inoculum for improved plant disease management. A review”
40 of these papers raise it as a problem
Problems · theme 07
Air Quality Sensor Limitations
33 papers · 7.8% of this block
▲ +13% share2022→2025 share of research on this subject
Papers discuss gaps in accuracy and deployment of particulate monitoring technologies.
Air quality index · Air pollution · Air monitoring · Particulates
“Electrochemical Sensors for Air Quality Monitoring”
33 of these papers raise it as a problem
Cautions149 papers · 4 recurring themes
Cautions · theme 01
eDNA Methodological Uncertainties
48 papers · 32.2% of this block
▲ +15% share2022→2025 share of research on this subject
Authors caution about sampling design and interpretation challenges in environmental DNA studies.
Environmental DNA · Biodiversity · Citizen science · Environmental resource management
“Past, present, and future perspectives of environmental DNA (eDNA) metabarcoding: A systematic review in methods, monitoring, and applicatio”
48 of these papers raise it as a problem
Cautions · theme 02
Risk Assessment Data Gaps
43 papers · 28.9% of this block
▲ +9% share2022→2025 share of research on this subject
Research warns of uneven contaminant detection and exposure assessment in water quality monitoring.
Risk assessment · Water quality · Environmental monitoring · Contamination
“Performance of passive samplers for monitoring estuarine water column concentrations: 1. Contaminants of concern”
43 of these papers raise it as a problem
Cautions · theme 03
Low‑Cost Air Monitoring Caveats
32 papers · 21.5% of this block
▲ +14% share2022→2025 share of research on this subject
Studies highlight reliability and calibration issues with inexpensive particulate sensors.
Air pollution · Air quality index · Environmental monitoring · Particulates
“Monitoring Particulate Matter with Wearable Sensors and the Influence on Student Environmental Attitudes”
32 of these papers raise it as a problem
Cautions · theme 04
Complex Contaminant Analysis Limits
26 papers · 17.4% of this block
▼ -4% share2022→2025 share of research on this subject
Papers emphasize difficulties in detecting emerging pollutants and seasonal risk patterns.
Contamination · Pollutant · Effluent · Pollution
“Going Beyond the Analysis of Common Contaminants: Target, Suspect, and Non-Target Analysis of Complex Environmental Matrices by High-Resolut”
26 of these papers raise it as a problem
Opportunities1,111 papers · 7 recurring themes
Opportunities · theme 01
Integrated IoT Monitoring Systems
271 papers · 24.4% of this block
▼ -20% share2022→2025 share of research on this subject
Opportunities focus on linking sensor networks and data platforms for real‑time environmental management.
Environmental monitoring · Systems engineering · Remote sensing · Environmental data
“An integrated system for urban environmental monitoring and management based on the Environmental Internet of Things”
Opportunities · theme 02
Advanced Chemical Sensing for Contaminants
242 papers · 21.8% of this block
▼ -23% share2022→2025 share of research on this subject
Research highlights novel sensors and analytical methods to detect pesticides and hazardous substances.
Contamination · Environmental chemistry · Pesticide · Environmental monitoring
“Detecting marine hazardous substances and organisms: sensors for pollutants, toxins, and pathogens”
Opportunities · theme 03
eDNA for Biodiversity Insight
184 papers · 16.6% of this block
▼ -4% share2022→2025 share of research on this subject
Studies explore using environmental DNA to monitor species presence across aquatic and terrestrial habitats.
Biodiversity · Environmental DNA · Habitat · Ecosystem
“Environmental DNA (eDNA) for monitoring marine mammals: Challenges and opportunities”
Opportunities · theme 04
Smart Air Quality Assessment
135 papers · 12.2% of this block
▲ +13% share2022→2025 share of research on this subject
Works propose multi‑objective frameworks and sensor improvements for comprehensive pollution monitoring.
Air quality index · Air pollution · Air monitoring · Particulates
“A multi-objective assessment of an air quality monitoring network using environmental, economic, and social indicators and GIS-based models”
Opportunities · theme 05
ICT‑Enabled Water Monitoring
119 papers · 10.7% of this block
▲ +5% share2022→2025 share of research on this subject
Research showcases new communication and sensor technologies for high‑resolution surface water quality tracking.
Water quality · Hydrology · Environmental monitoring · Surface water
“Recent Advances in Information and Communications Technology (ICT) and Sensor Technology for Monitoring Water Quality”
Opportunities · theme 06
Remote Sensing of Harmful Algal Blooms
83 papers · 7.5% of this block
▼ -8% share2022→2025 share of research on this subject
Papers present satellite and proximal sensing strategies to detect and manage cyanobacterial outbreaks.
Algal bloom · Coral reef · Coral · Bloom
“Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources”
Opportunities · theme 07
Low‑Power Wireless Sensor Networks
77 papers · 6.9% of this block
▼ -18% share2022→2025 share of research on this subject
Studies demonstrate energy‑efficient designs for widespread environmental data collection.
Wireless sensor network · Wireless · Environmental monitoring · Software deployment
“Design and implementation of low-power wireless sensor networks for environmental monitoring”
Which of these themes are growing fastest
Tracks how the share of different research themes has changed worldwide between 2022 and 2025.
Problems
how much more (or less) of the world’s research on this subject each theme took up, 2022→2025
gaining sharelosing share
Health and Ecotoxicology Risk Gaps▲+37%
Marine Debris and Microplastic Tracking▲+31%
Air Quality Sensor Limitations▲+13%
Water Quality Monitoring Challenges▼-5%
Biodiversity Monitoring and Citizen Science▼-16%
Remote Sensing for Environmental Monitoring▼-19%
Pathogen Surveillance in the Environment▼-57%
Cautions
how much more (or less) of the world’s research on this subject each theme took up, 2022→2025
gaining sharelosing share
eDNA Methodological Uncertainties▲+15%
Low‑Cost Air Monitoring Caveats▲+14%
Risk Assessment Data Gaps▲+9%
Complex Contaminant Analysis Limits▼-4%
Opportunities
how much more (or less) of the world’s research on this subject each theme took up, 2022→2025
gaining sharelosing share
Smart Air Quality Assessment▲+13%
ICT‑Enabled Water Monitoring▲+5%
eDNA for Biodiversity Insight▼-4%
Remote Sensing of Harmful Algal Blooms▼-8%
Low‑Power Wireless Sensor Networks▼-18%
Integrated IoT Monitoring Systems▼-20%
Advanced Chemical Sensing for Contaminants▼-23%
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About this data: built from Fliar's company, founder, funding, hiring, jobs, news and research trackers, covering the United States. Counts are of companies we track, not of every company that exists. Updated August 2026.
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