Environmental Expert Witnesses

Environmental & Science Expert Witness Listings

Consultants and expert witnesses who may provide expert witness testimony regarding environmental issues may be found by clicking on the areas of expertise located on this page. Experts found here may consult on issues involving environmental forensics, environmental health and safety, and environmental impact studies (EIS). These environmental experts may provide reports and expert testimony regarding EPA regulations, the National Environmental Protection Act (NEPA), and recycling. They may also provide expert testimony on air pollution, water pollution, the Clean Water Act, asbestos and lead-based paint assessment, soil/groundwater investigations, above ground and underground storage sites, and landfills, as well as related issues.

You may limit your search for Environmental expert witnesses to a specific area by selecting a state from the drop down box.

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Expert Witnesses

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Featured Experts
Nachman Brautbar, M.D.

Nachman Brautbar, M.D.

Dr. Nachman Brautbar is board-certified in internal medicine, forensic medicine and nephrology, with a specialization in toxicology. His lists of academic appointments include Associate Professor of Pharmacology and Medicine and Clinical Professor of... Learn More ›

Dr.K.Galatsis.Ph.D. (CARBON MONOXIDE FORENSICS)

Dr.K.Galatsis.Ph.D. (CARBON MONOXIDE FORENSICS)

CO TEST: Air quality and CO Measurements for indoor, outdoor, vehicle, transport & residential/occupational spaces. EMISSIONS: Emissions measurements from vehicle, appliances, indoor, outdoor. Investigation of design defects. ANALYSIS:... Learn More ›

Ted Simon (Ted Simon LLC)

Ted Simon (Ted Simon LLC)

Award winning toxicologist and scientist. 10+ years’ experience as a toxicologist employed by the Environmental Protection Agency (EPA). Served as EPA’s senior toxicologist in the waste management division working on risk and soil cleanup. Expertise... Learn More ›

Jay Rosenthal, CCM (Air, Weather & Sea Conditions, Inc.)

Jay Rosenthal, CCM (Air, Weather & Sea Conditions, Inc.)

In many areas of litigation, weather factors can be crucial, sometimes decisive factors in establishing liability and the size of a reasonable settlement. As a Certified Consulting Meteorologist and expert witness with over 30 years of professional experience,... Learn More ›

David Gossman (Gossman Forensics)

David Gossman (Gossman Forensics)

Gossman Forensics provides expert technical assistance to counsel in litigation involving fires and explosions, chemical and environmental forensics, hazardous waste, hazardous materials, regulatory compliance, incidents at hazardous waste facilities... Learn More ›

F.G. (Rick) Heath (Heath and Associates)

Location: Kentucky
Areas of Expertise: Expert services covering lifts, hoists, jacks, cranes, industrial machines, hydraulic equipment, tools, material handling, fork lifts, aerial work platforms, loaders, automotive lifts and scissors lifts....

Bonneau Dickson (Bonneau Dickson, PE)

Location: California
Areas of Expertise: Sanitary engineer. Over 30 years experience. Visit BonneauDickson.com. Water; wastewater; sewers; septic systems; leach fields; stormwater; sewage spills; backwater valves; PCE; drainage; coliform contamination....

Stephen E. Fournier, P.E., NCEES (Robson Forensic, Inc.)

Location: Multiple Locations
Areas of Expertise: STEPHEN E. FOURNIER, P.E., NCEES Construction Injury, Construction Equipment, Workplace Safety, Ladder Expert Steve has over 35 years in the construction field and has performed more than 1,000 forensic...

Hannah M Mathers (Mathers Envir, Sci, Service, LLC)

Location: Ohio
Areas of Expertise: Dr. Hannah Mathers has over 24 years of experience and training in weed control in landscape and nursery crops, and is accomplished in herbicide chemistry, agricultural statistics and plant physiology....

James I Ebert (Scientific Photo Analysis and Mapping / Ebert & Associates Inc.)

Location: New Mexico
Areas of Expertise: Dr. James I. Ebert, Certified Photogrammetrist (ASPRS), has over 31 years experience in the analysis, evaluation, measurement, and mapping of data contained in photographs and other images, in all areas...

Clinton J. Ford MS, CGC, ACA, CIE, CMR, CRMI ... (ADVANCED BUILDING CONSULTANTS)

Location: Florida
Areas of Expertise: Clinton J. Ford MS,ACA,CGC,CIE,CMR,CRMI has over 25 years of experience as a State Certified General Contractor and offers consultation and litigation support for attorneys in the following areas:...

Paul Damian PhD, MPH, DABT, ERT (Damian Applied Toxicology, LLC)

Location: California
Areas of Expertise: Dr. Paul Damian is a Board Certified Toxicologist (Diplomate of the American Board of Toxicology [DABT]) and European Registered Toxicologist (ERT) with over 30 years of experience assessing the human...

David L. Mitchell, Ph.D (Met Associates)

Location: Texas
Areas of Expertise: MET Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Air Quality...

Medical Advisors, Inc./Technical Network Consulting Service

Location: Pennsylvania
Areas of Expertise: Your Link To Americas Most Qualified Experts! Get the right Expert and the right Service! Medical Advisors, Inc. provides top ranked Board Certified physicians and academicians in all medical specialties....

Thomas Dydek (Dydek Toxicology Consulting, LLC)

Location: Texas
Areas of Expertise: Dr. Thomas M. Dydek is a Ph.D., Board-Certified Toxicologist (D.A.B.T.) and Licensed Professional Engineer (P.E.) with more than 30 years of continuous experience in the environmental field. He has served...

Vincent A. Ettari, P.E. (Vincent A. Ettari, P.E., P.C.)

Location: New York
Areas of Expertise: Vincent A. Ettari, P.E., P.C. serves New York City & the counties of Westchester, Dutchess, Putnam, Orange, Rockland, Ulster, Suffolk (Long Island), Nassau, Bronx (N.Y.), Queens, Brooklyn / Kings County,...

Dr. Eric N Brown, CIH, CSP (Indoor Environments)

Location: California
Areas of Expertise: I am an industrial hygienist with over twenty years of experience in health and safety, industrial hygiene, and indoor air quality exposure assessments. I am a Certified Industrial Hygienist (CIH) and...

Jeff B. Nelken (Food Safety and HACCP Compliance)

Location: California
Areas of Expertise: Jeff Nelken, B.S., M.A., Jeff Nelken is a food safety guru with more than 30 years of diverse health care, restaurant and hospitality training experience. He reviews vulnerability surveys, crisis plans...

Jenifer S. Heath, Ph.D.

Location: Colorado
Areas of Expertise: Dr. Heath helps attorneys understand the potential health impacts of chemical exposures. She is a toxicologist with over 25 years of experience in her field, and is a registered nurse. Dr. Heath serves...

Mary Jane Wilson (WZI Inc.)

Location: California
Areas of Expertise: Headquartered in Bakersfield, California, with an additional office in Houston, Texas, WZI Inc. is an environmental and consulting engineering company, which has achieved a reputation for high quality,...

Keith E. Wagner (RJ Lee Group)

Location: Pennsylvania
Areas of Expertise: Keith E. Wagner is a Senior Materials Scientist at RJ Lee Group, Inc. with over 25 years of experience in failure analysis of materials and electronics used in a wide variety of applications. His supervisory...

George Pasternack, Ph.D. (M.B. Pasternack & Associates, Inc.)

Location: Florida
Areas of Expertise: Dr. Pasternack, a recognized coating expert, provides expert witness services for paints, coatings, chemicals, product defects, accidents, personal injury, adhesives, failure analysis, hazardous materials,...

Chuck Dutill, P.E., D.F.E. (Heritage Technical Services, Inc.)

Location: Pennsylvania
Areas of Expertise: For 40 years Mr. Dutill has been performing hydrology and environmental engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff,...

Brian N Spiegel, CR,CIEC,CMRS CEICC CSDS (Spiegel Property Damage Consulting and Forensics)

Location: California
Areas of Expertise: Brian Spiegel and David Spiegel offer expert witness, consulting and 3rd party evaluation services regarding PROPERTY DAMAGES related to structural fire & smoke damages, water intrusion damages, wildfire...

Robert A. West (R.A. West Associates, Inc.)

Location: Pennsylvania
Areas of Expertise: Mr. West is a Certified Hazardous Materials Manager, a Registered Environmental Manager, and a Certified Mold Investigator with over twenty-five years of environmental engineering experience performing...

Jon J. Pina, MS, CSP (Evergreen Environmental Health and Safety, Inc.)

Location: Pennsylvania
Areas of Expertise: Mr. Pina has forty plus years experience in safety, health, and environmental management/loss prevention for construction, demolition, coal, chemical, steel, environmental remediation,and hazardous waste....

Richard J. Lee, Ph.D. (RJ Lee Group)

Location: Pennsylvania
Areas of Expertise: Dr. Richard J. Lee is CEO of RJ Lee Group, Inc. and serves as an expert witness and scientific legal strategist. His expertise encompasses materials analysis, nanotechnology, mining and minerals, air quality,...

Jennifer Morningstar, P.E. CFEI (The Warren Group)

Location: Multiple Locations
Areas of Expertise: Available Nationwide for: Chemical Release and Exposure Confined Space Entry – Lockout/Tagout Environmental Regulatory Compliance Fires and Explosions Industrial Incident Investigation

Ulf M. Lindmark, PE, BCEE, CHMM, A-Haz Contractor (Lindmark Engineering)

Location: California
Areas of Expertise: Mr. Lindmark is a California practicing Professional Engineer (PE) with over 35 years environmental experience and 27 years of litigation/court experience. Mr. Lindmark is a Board Certified Environmental...

ForensisGroup, Inc. (The Expert of Experts)

Location: Multiple Locations
Areas of Expertise: For over 20 years, ForensisGroup has provided the nation’s top law firms, insurance agencies, government entities and many other industries with highly qualified expert witnesses and consultants. Experts...

James Caron, CCM (Caron Weather Consulting Service)

Location: Texas
Areas of Expertise: James Caron started his weather career in a fast-paced and high-stress military environment as an Air Force meteorology officer. While serving in the U.S. military, James received commendation, achievement...

Mark C Krause (Krause Analytical LLC)

Location: Texas
Areas of Expertise: Krause Analytical provides court-defensible laboratory testing and expert testimony to a wide range of plaintiffs and defendants, including personal injury suits, environmental damage and remediation,...

Ben Costello (Nationwide Environmental Svcs)

Location: Colorado
Areas of Expertise: Nationwide Environmental Services, Inc. (NES) specializes in CERCLA/SARA site project management and in litigation support and expert witness work. Our staff also has considerable experience in providing...

Jacoby A Scher (TGE Resources, Inc.)

Location: Texas
Areas of Expertise: Coby Scher has practiced in the environmental field for over 40 years, most of it as a registered professional engineer in the State of Texas. Mr. Scher has degrees in chemistry from Rice University and...

Todd R Morris, CCM (Global Weather and Climate Consulting LLC)

Location: California
Areas of Expertise: Global Weather and Climate Consulting LLC is an independent weather consulting firm specializing in forecasting, forensics, planning and expert witness testimony for both plaintiffs and defendants. Its...

Gerald J Hietpas, P.E. (Causey Engineering, LLC)

Location: Texas
Areas of Expertise: Since 1983, 94% of our 565 Industrial Cases have settled OUT OF COURT – as representatives for Insurers, Defense and Plaintiff Attorneys. Our Principals and Associates have in depth expertise in a broad...

Accident & Safety Consultants

Location: Multiple Locations
Areas of Expertise: ($170ph review NY, NJ, MD, PA, DE, VA, DC, WV) • Accident Reconstruction: Car, Bus, Truck, Pedestrian, Bicycle, Motorcycle, Rollovers • Biomechanics,Occupant Injury • Safety Standards, Falls • Building...

Leslie J. Hutchinson, MD, MPH, FACOEM, CHCQM (HLM Medical Consultants)

Location: Georgia
Areas of Expertise: Leslie J. Hutchinson, M.D., M.P.H., FACOEM, CHCQM, is a qualified expert in occupational medicine, toxicology, epidemiology and public health, chemical and biological weapons, and weapons of mass destruction...

Michael D. Klein, PE, CHMM (Robson Forensic, Inc.)

Location: Multiple Locations
Areas of Expertise: MICHAEL D. KLEIN, PE, CHMM Certified Hazardous Materials Expert - Manufacturing Processes & Procedures - Environmental Management Systems Michael is a Civil Engineer (MSCE) with over 25 years of experience...

Brian R. Strazisar (RJ Lee Group)

Location: Pennsylvania
Areas of Expertise: Dr. Brian R. Strazisar joined RJ Lee Group’s expert team in 2014 and has applied his considerable expertise and experience in cement chemistry to the fields of concrete and construction materials. He...

Steven B. Norris AIA, RCE, HG, GE, EG, RG, GC, CASp (Architectural & Engineering Design Group)

Location: California
Areas of Expertise: Mr. Norris is a licensed Architect, Engineer and Contractor, whose litigation experience includes forensic analysis of large scale residential, commercial, industrial and public works projects. During...

Mansour Sepehr (SOMA Environmental Engineering, Inc.)

Location: California
Areas of Expertise: Dr. Mansour Sepehr is a registered professional engineer in state of California. Dr. Sepehr has over 20 years of experience in performing extensive work in soil and groundwater contamination projects and...

Russell E Carlson, RCA, BCMA (Tree Tech Consulting )

Location: Delaware
Areas of Expertise: Russ Carlson is a highly skilled Registered Consulting Arborist (ASCA) and Board Certified Master Arborist (ISA). He has a background of 16 years in forestry and commercial arboriculture, and more than...

Julian M. Toneatto, Ph.D., PE, PP(NJ) (Adler Engineers, Inc.)

Location: Pennsylvania
Areas of Expertise: Highly experienced, articulate Professional Engineer (PE) in several states and Prof. Planner (PP)NJ. Engineering expert with 43 years experience in Engineering and Environmental Consulting. Doctorate...

William E Allmon (ChemStaff Inc)

Location: Virginia
Areas of Expertise: William E. Allmon is a recognized expert in the control of chemistry and corrosion in power plants. Mr. Allmon has over 40 years of experience spanning a wide range of activities including chemistry,...

Gerard A Macri

Location: New York
Areas of Expertise: Principal performs forensic investigations, technical and scientific analyses and serves as an expert witness in the areas of chemical analysis and identification of unknown substances, chemical forensic...

Rudy R. Robinson III, MAI

Location: Texas
Areas of Expertise: Rudy Robinson has over thirty years experience in real estate and appraisal. He became a real estate broker in 1971 and a Member of the Appraisal Institute in 1980. He founded Austin Valuation Consultants...

Keith P. Rickabaugh (RJ Lee Group)

Location: Pennsylvania
Areas of Expertise: Keith P. Rickabaugh is the Technical Director, Materials and Analytical Services at RJ Lee Group. His principal area of expertise is analytical method development and execution of the appropriate laboratory...

Ernest P. Chiodo, M.D., J.D., M.P.H., M.S., MBA, CIH (Ernest Chiodo P.C.)

Location: Multiple Locations
Areas of Expertise: Ernest P. Chiodo, M.D., J.D., M.P.H., M.S., M.B.A., C.I.H. is a physician, an attorney, a Certified Industrial Hygienist (C.I.H), toxicologist, and a biomedical (biomechanical) engineer. Dr. Chiodo received...

John C Fetzer (Fetzpahs Consulting)

Location: California
Areas of Expertise: Articulate, but down-to-earth, chemist who can plainly describe the chemistry and chemical analysis issues, interpret laboratory results, and other factors relating to petroleum, hydrocarbons, environmental,...

Mark R Svinkin (VIBRACONSULT)

Location: Ohio
Areas of Expertise: * Email: msvinkin@roadrunner.com * VIBRACONSULT has over thirty years of professional experience in prediction, measurement and analysis of soil and structure vibrations from construction and industrial...

Ronald D Schaible, CIH, CSP, CPE (Robson Forensic Inc.)

Location: Multiple Locations
Areas of Expertise: Ron Schaible, CIH, CSP, P.E. is Certified in the Comprehensive Practice of Industrial Hygiene (CIH), Certified Safety Professional (CSP), a Registered Professional Engineer #36714-Safety (Massachusetts),...

Kevin L. Johnson, P.E. (Traffic Planning and Design, Inc.)

Location: New Jersey and Pennsylvania
Areas of Expertise: Traffic Planning and Design, Inc, (TPD)’s team of professional engineers specializes in traffic and transportation engineering; highway and bridge design; and construction inspection. Specifically, Mr....

Joseph DeMaria, Ph.D., CFC, CSHM, CHCM, DACFEI, MIIRSM (Americana Safety Associates, LLC)

Location: Nevada
Areas of Expertise: Americana Safety assists plaintiff & defense attorneys win their clients' claims. OUR ADVANTAGES We are the only nationwide firm that can provide plaintiff and defense attorneys with experienced...

Philip T Tringale, PhD, PE (Langan Engineering & Environmental Services)

Location: California
Areas of Expertise: Dr. Tringale has served in senior technical and management positions throughout his thirty year professional career. With experience gained from a start-up consulting firm as well as from well-established...

Jack Spadaro

Location: West Virginia
Areas of Expertise: Jack Spadaro is a mining engineer with expertise in coal and metal/non-metal mine safety and health. He is the former Director of the National Mine Health and Safety Academy. He has over 40 years experience...

Peter Petrovsky PE, ME, CE, IE, A B HAZ & C-12 MULTI-DISCIPLINED ENGINEER & CONTRACTOR (ATECO - ateco@hughes.net, Diversified - dewinc@hughes.net)

Location: California
Areas of Expertise: Peter Petrovsky, PE, has provided services as a consultant and an expert witness in applied civil and mechanical engineering science, building, infrastructure, and earthwork contracting. His strength and...

James J. Connors, Ph.D.

Location: Alabama
Areas of Expertise: Nationwide consulting practice in stormwater, flooding, drainage, erosion, sediment transport and sedimentation, surface-water and groundwater contamination. Dr. Connors has served as an expert hydrologist...

David L Mitchell, Ph.D. (GEO Associates)

Location: Texas
Areas of Expertise: GEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater...

Consolidated Consultants

Location: Multiple Locations
Areas of Expertise: Consolidated Consultants (CCc) continues to deliver high quality expert witness and medical expert witness referrals nationwide since 1995. CCc is the only referral service where you can view the full,...

Hung K Cheung, MD, MPH, FACOEM (Cogency)

Location: Maryland
Areas of Expertise: Hung K. Cheung, MD, MPH, FACOEM, is the President of Cogency Solutions. in Baltimore, Maryland. Dr. Cheung is a graduate of Loyola College in Baltimore and received his Medical degree from University of...

Jules H. Kamin (ValuEconomics, Inc.)

Location: California
Areas of Expertise: Dr. Jules Kamin received his Ph.D. in business economics, finance and management science from the University of Chicago Graduate School of Business, rated #1. He is an expert on economic damages and...

Richard A. Parent, PhD, DABT, RAC, FATS, ERT (Consultox, Ltd.)

Location: Maine
Areas of Expertise: Dr. Richard Parent is certified in toxicology by the American Board of Toxicology and the Academy of Toxicological Sciences and has been providing litigation support to both plaintiff and defense since...

Dan Napier, MS, CIH, CSP (DNA Industrial Hygiene)

Location: California
Areas of Expertise: Dan Napier, CIH is a California based Industrial Hygienist providing Litigation Support, Case Evaluation and Laboratory Services, and Expert Testimony on a Nationwide basis. My Los Angeles office is located...

Allan D. Snyder (AFC Forensic Consulting - PEST MANAGEMENT)

Location: California
Areas of Expertise: TERMITE & ENTOMOLOGY EXPERT WITNESS Licensed: Branch 2 Structural Pest Control (Household Pests & Insects) • Entomology, Insect Pathology • Bed Bugs, Cockroaches • Rats, Mice, Ants, Moths • Pesticides,...

Bruce C Hemming (Microbe Inotech Laboratories, Inc.)

Location: Missouri
Areas of Expertise: Dr. Bruce C. Hemming is President/CEO of Microbe Inotech Labortories, Inc. Microbe Inotech Laboratories, Inc. (the MiL, inc.), is a specialized, microbial analysis laboratory, expert at isolating, identifying,...

Robert C. Sugarman, PE (RCS Performance Systems, Inc.)

Location: New York
Areas of Expertise: Personal injury analyst. BA, MS, SM, PhD in physics & psychology (including MIT); 40 yrs R&D, teaching, trial testimony, industrial training, 'in the trenches'. Perception, vision, warnings, equipment/product...

Lance Watt, M.E. (Robson Forensic Inc.)

Location: Multiple Locations
Areas of Expertise: Lance Watt Bus and Truck Expert Lance’s 45 years of transportation experience involves everything from aircraft to “stock cars” to triple tractor trailer combinations. His expertise includes vehicle...

Michael A. Wolfson, M.D., M.P.H. M.S. (Syracuse Occupational and Environmental Medicine Consultants)

Location: New York
Areas of Expertise: Dr. Wolfson has been fellowship-trained and board certified in Occupational & Environmental Medicine, board certified in Family Medicine, and certified by examination in Addiction Medicine. He received...

Randy D Horsak (3TM Consulting, LLC)

Location: Texas
Areas of Expertise: 3TM Consulting offers environmental engineering and science consulting in the areas of site contamination, site remediation and restoration, engineering cost estimating, and environmental forensics.

Joseph D Jolson (Custom Client Solutions)

Location: Pennsylvania
Areas of Expertise: Dr. Joseph D. Jolson has a Ph.D. in analytical chemistry and over 30 years of experience including the development, testing, and use of a wide variety of batteries, gas detectors, and respirators. Through...

Meyer R. Rosen (CPC, CChE, CFEI, FRSC, FAIC, FACFE, DABFET)

Location: New York
Areas of Expertise: Mr. Meyer R. Rosen has over thirty-five years of industrial experience in chemistry and chemical engineering. He also has 15 years experience as an Adjunct Professor of Fire Science. He serves as an expert...

James M Miller (J. M. Miller Engineering, Inc.)

Location: Michigan
Areas of Expertise: Warnings & Instructions - Workplace Safety - Vehicle Accidents - Consumer Product Safety - Chemical Safety - Premise Liability - and much more. Principal Experts: Dr. James Miller, PE, PhD – – – Mark...

David W. Heldenbrand, P.E. (Bison Engineering, Inc.)

Location: Texas
Areas of Expertise: Legal professionals who require a high degree of excellence and integrity turn to the forensic engineers at Bison to scientifically conduct an investigation relating to a fire or explosion, electrical...

Gary S. Casuccio (RJ Lee Group)

Location: Pennsylvania
Areas of Expertise: Mr. Gary Casuccio is a Senior Scientist at RJ Lee Group, Inc. where he focuses on environmental particulate analysis, air quality and nanomaterials characterization. Mr. Casuccio was involved a multi-phase...

James C. Paul, P.E. (Airflow Sciences Corporation)

Location: Multiple Locations
Areas of Expertise: Mr. Paul, P.E. is a registered Professional Engineer in Michigan and California. He co-founded Michigan-based Airflow Sciences Corporation in 1975 and established the Western Region office in California...

Harry A. Milman, Ph.D. (ToxNetwork.com)

Location: Maryland
Areas of Expertise: Harry A. Milman, Ph.D. is an international authority in Toxicology, Carcinogenesis, Pharmacology, and Pharmacy and a noted author of "A Death at Camp David" with over 40 years of experience at the US National...

Clement Mesavage ("Clem") (MIDSTREAM FARM LLC / usaclem@erols.com)

Location: Virginia
Areas of Expertise: Oil, Gas, Chemical INFRASTRUCTURE Emphasis. Bulk Liquid Terminal Consultant and pipeline System Consultant for over 40 years; experience at over 1,000 aboveground tank terminals and pipelne systems nationwide...

Neil R. Temple, PE, CSP (Safety Management Associates)

Location: Virginia
Areas of Expertise: Mr. Temple is a Registered Professional Engineer in Safety (P.E.) and a Board Certified Safety Professional (C.S.P.) in Comprehensive Practice. He has over 32 years of diverse safety engineering, human...

Cosme F. Gutiérrez

Location: New Mexico
Areas of Expertise: Mr. Gutierrez has over 40 years' experience in the mining field - inspecting, safe-guarding, and protecting miners and people affected by mining environments. He provides expert witness services related...

Timothy D Bechtel (RETTEW)

Location: Pennsylvania
Areas of Expertise: Dr. Bechtel is geophysicist/geologist, and a world-renowned expert on sinkholes. But not just sinkholes; bedrock conditions, caves, water pollution, and all issues related to karst terranes. Dr. Bechtel...