Most Affordable Online Environmental Engineering Degree Programs for 2025
Environmental engineering is a fast-growing field focused on solving real-world climate and sustainability challenges. With demand projected to increase by 6% through 2032 in the US, more students are looking to join this impactful profession. The good news? You don’t need to spend a fortune to get started. The average cost of an online bachelor's degree in environmental engineering ranges from $30,000 to $60,000, with many accredited programs offering high-quality education.
To help students find the best, most affordable online environmental engineering degrees in the US, I analyzed public data from accredited institutions across the country. Drawing from my years of experience in academic counseling and career planning, I’ve narrowed it down to 10 top programs that combine quality, flexibility, and affordability. In this guide, you’ll find key details about each degree to help you make a confident, informed decision.
What are the benefits of getting an online environmental engineering degree program?
- With a environmental engineering degree, you can qualify for roles like environmental engineer, water resources specialist, or sustainability consultant.
- The median salary for environmental engineers in the US is around $96,530 per year.
- An online program lets you study from anywhere, on your schedule, making it easier to balance school with work or personal commitments.
What can I expect from an online environmental engineering degree program?
An online environmental engineering bachelor's program combines science, math, and engineering courses focused on solving real-world environmental problems. Students typically take core subjects like environmental chemistry, water and wastewater treatment, fluid mechanics, and environmental policy. Some programs include lab work, which is done through virtual tools or short on-campus visits.
Tuition usually ranges from $10,000 to $25,000 per year, depending on the school and your residency status. Most students finish the degree in about four years with full-time study. Many programs also offer part-time and flexible schedules.
Online learning is now widely accepted. In fall 2021, 61% of US undergraduates took at least one online course, and 28% studied fully online. This shows how online degrees have become a trusted option in higher education.
Where can I work with an environmental engineering degree?
According to the Bureau of Labor Statistics, most environmental engineers work in engineering services (27%), followed by state and local governments, and management, scientific, and technical consulting services. The field offers flexibility in terms of location, with job opportunities in urban, suburban, and even rural areas, depending on the environmental needs of the region.
Other opportunities include roles in research institutions and universities, where they may work on environmental studies or support sustainability initiatives. Some environmental engineers are also employed by hospitals, manufacturing plants, and utility companies, helping manage waste, reduce emissions, or ensure compliance with environmental laws.
How much can I make with an environmental engineering degree?
An environmental engineering degree can lead to a strong earning potential. According to the US Bureau of Labor Statistics, the median annual salary for environmental engineers is $96,530. Entry-level positions may start at a lower range, around $62,000 per year, while experienced professionals in senior roles can earn over $130,000 annually.
Environmental engineers working in federal government roles tend to earn some of the highest salaries in the field, followed by those in engineering consulting firms and manufacturing.
Jobs in regions with strong environmental regulations, such as California or New York, may also offer higher pay. With the growing demand for professionals who can help address environmental challenges, salaries are expected to remain competitive across many industries.
Table of Contents
- Most Affordable Online Environmental Engineering Degree for 2025
- How long does it take to complete an online environmental engineering degree program?
- How does an online environmental engineering degree compare to an on-campus program?
- What is the average cost of an online environmental engineering degree program?
- What are the financial aid options for students enrolling in an environmental engineering degree program?
- What are the prerequisites for enrolling in an environmental engineering degree program?
- What courses are typically in an environmental engineering degree program?
- What types of specializations are available in an online environmental engineering degree program?
- What sets online environmental engineering apart from other online technical degrees?
- Are online environmental engineering programs accredited and do they support licensure?
- What challenges are associated with earning an online environmental engineering degree?
- How do you choose an online environmental engineering degree program?
- What career paths are available for graduates of online environmental engineering degree programs?
- What is the job market for graduates with an online environmental engineering degree?
- Other Things You Should Know About an Online Environmental Engineering Degree
Most Affordable Online Environmental Engineering Degree for 2025
How do we rank schools?
We understand that earning a degree is a major financial decision. That’s why our rankings focus on helping students make informed choices with clear, detailed information. We use trusted sources like the IPEDS database, Peterson’s, the College Scorecard, and the National Center for Education Statistics to build a reliable dataset.
Our goal is to highlight the most affordable online master’s degrees in library science without sacrificing quality. To learn more about how we rank programs, please visit our methodology page.
1. Southern New Hampshire University – B.S. in Environmental Science
Southern New Hampshire University’s fully online Bachelor of Science in Environmental Science is designed to blend theoretical knowledge with real-world application. Students engage with all STEM majors as they learn environmental science, biology, physics, chemistry, and specialized courses like conservation biology and geospatial technologies. A highlight of the program is the use of mailed home lab kits (e.g., via Carolina Biological), enabling hands-on skills without campus visits.
- Cost per credit: $330
- Required credits: 120
- Accreditation: NEASC (New England)
- What makes it stand out: career-oriented curriculum, flexibility, and strong advising support
2. University of Phoenix – B.S. in Environmental Science
Structured for full-time professionals, this program by the University of Phoenix tackles climate change, infrastructure, renewable resources, and urban environmental systems. Students start any month and take one course at a time. Over 90% rate academic counseling at 5 stars, reflecting strong support through degree completion.
- Cost per credit: $398
- Required credits: 120
- Accreditation: HLC
- What makes it stand out: Rolling admissions, cohort pacing of one course, and highly praised academic counseling
3. Purdue Global – B.S. in Environmental Policy & Management
Purdue Global’s Bachelor of Science in Environmental Policy and Management blends environmental science with policy, business, and economics. The program features hands-on learning through case studies based on real-world events. It also supports military service members and veterans through Prior Learning Assessment opportunities and a strong military-friendly environment.
- Total per credit: $371
- Required credits: 180 quarter credits
- Accreditation: HLC
- What makes it stand out: Combines environmental science with business and policy courses; a great fit for veterans
4. Liberty University – B.S. in Green & Sustainable Management
This program blends sustainability, energy studies, and geographic information systems (GIS) within a faith-based learning environment. Liberty University students can reduce costs by using free digital textbooks and may transfer up to 75% of previous college credits. With no standardized test requirement for admission, the program is especially accessible for nontraditional learners.
- Cost per credit: $390
- Required credits: 120
- Accreditation: SACSCOC
- What makes it stand out: High credit transferability, faith integration, and free e-textbook access
5. Columbia Southern University – B.S. in Environmental Science
Columbia Southern University's environmental science program is one of the cheapest accredited programs in the country. It covers environmental policy, conservation biology, chemistry, and toxicology. Tuition includes all textbooks, keeping total cost predictable for students eyeing roles in consulting or conservation.
- Cost per credit: $245
- Required credits: 120
- Accreditation: SACSCOC
- What makes it stand out: Budget-friendly structure with included textbooks and career-focused studies
6. Fort Hays State University – B.S. in Environmental Geosciences
Fort Hays State University offers this technical degree fully online with an emphasis on geology, hydrology, climatology, and remote sensing. Students have access to internship opportunities with local firms. It’s known for its affordability and practical science training.
- Cost per credit: $226.88
- Required credits: 120
- Accreditation: HLC
- What makes it stand out: Strong geoscience focus with professional GIS training and field-ready skills
7. American Public University System – B.S. in Environmental Science
This program explores essential topics in environmental science and policy, with the option to specialize in areas such as Sustainability or Wildlife Management. Instead of traditional lab work, students use interactive virtual labs. American Public University System also helps cut costs by offering free e-textbooks. Courses are led by professionals with real-world experience, and students receive ongoing career support to help them succeed after graduation.
- Cost per credit: $370
- Required credits: 120
- Accreditation: HLC
- What makes it stand out: Virtual labs, practitioner-led education, and rich concentration options
8. University of Florida – B.S. in Environmental Management
The University of Florida’s online B.S. in Environmental Management focuses on key topics like hydrology, soil science, pest management, and ecology. Students can complete lab requirements through local institutions or short-term, camp-based bootcamps, ensuring they gain hands-on experience. UF Online combines high-quality education with affordability, making it one of the most cost-effective ways to earn a degree from a top-ranked university.
- Cost per credit: $111.92
- Required credits: 120
- Accreditation: SACSCOC
- What makes it stand out: Cheapest per-credit cost for UF-level rigor with local lab options
9. Oregon State University, Ecampus – B.S. in Fisheries, Wildlife & Conservation Sciences
Consistently ranked among the top 10 online bachelor’s programs by US News, Oregon State University Ecampus offers a flexible learning experience through mailed lab kits and optional field visits. The program offers specializations like restoration, ecology, and wildlife management, and courses are designed by award-winning faculty with adult learners in mind.
- Cost per credit: $300–$350 (residency-based)
- Required credits: 120
- Accreditation: NWCCU
- What makes it stand out: Top-ranked online program with hybrid labs, field immersion, and OSU’s renowned faculty
10. University of Wisconsin, Superior – B.S. in Sustainable Management (Completion)
This program is a joint initiative between several University of Wisconsin campuses and is designed specifically for transfer students with an associate degree or equivalent credits. The degree culminates in a capstone project developed in collaboration with industry or nonprofit partners, giving students practical experience that aligns with workforce needs.
- Cost per credit: $360
- Required credits: 63 (completion track)
- Accreditation: HLC
- What makes it stand out: Developed with industry input; prepares students for roles in corporate sustainability and environmental compliance
How long does it take to complete an online environmental engineering program?
Most students complete an online environmental engineering bachelor's degree in about four years of full-time study. This timeline includes around 120 credit hours, covering general education, core engineering courses, and electives. Some programs offer accelerated options that let students finish in less time, while part-time schedules may extend the timeline.
Many schools offer year-round classes, allowing students to stay continuously enrolled and potentially finish sooner. However, according to the Education Data Initiative, students in online programs take about 69 months, or roughly 5.75 years, to complete their degrees on average. This longer timeline is often due to students enrolling part-time to balance work, family, or other responsibilities.
How does an online environmental engineering degree compare to an on-campus program?
An online environmental engineering degree offers the same core curriculum and learning outcomes as an on-campus program. Students still study topics like fluid mechanics, environmental chemistry, and wastewater treatment, but complete coursework through virtual platforms. Online programs are designed to match the academic standards of traditional formats, often taught by the same faculty.
Online programs deliver the same accredited curriculum and faculty expertise as campus-based options. Like students in the cheapest interdisciplinary studies degree online, environmental engineering students benefit from flexible scheduling and remote access while still gaining practical knowledge and applied skills.
One key difference is flexibility. Online students can study at their own pace and fit classes around work or personal schedules. This format has become increasingly popular. Over 2.8 million students now enrol exclusively in distance education programs at degree-granting institutions. This shows that more students are choosing online learning as a valid and effective way to earn a degree.

What is the average cost of an online environmental engineering degree program?
Online environmental engineering programs are competitively priced—often more affordable than other STEM degrees like the cheapest biochemistry degree online. Tuition varies by institution, but public universities and in-state rates can help significantly lower overall costs for online learners.
An online environmental engineering bachelor’s degree typically costs between $30,000 and $60,000 for the full four-year program, which includes tuition, fees, and course materials. This range places it slightly below many on-campus alternatives, especially when factoring in savings on housing, transportation, and campus fees.
For comparison, top-ranked environmental engineering programs at public universities average about $14,300 per year for in-state students and $51,400 for out-of-state students. When studied online, in-state rates or public university options can bring total costs well under national averages, without compromising quality.
Most programs require a high school diploma with strong math and science coursework. These academic expectations are comparable to what’s required for the cheapest geographic information systems online degree, where a foundation in technical subjects supports success in a data- and systems-driven field.
What are the financial aid options for students enrolling in an environmental engineering degree program?
Students pursuing an online environmental engineering degree have several financial aid options to help reduce costs. Most students begin by submitting the Free Application for Federal Student Aid (FAFSA). This form determines eligibility for government-backed programs like Federal Pell Grants, Federal Supplemental Educational Opportunity Grants (FSEOG), and the Federal Work-Study (FWS) program.
Many students also qualify for scholarships from professional organizations, private companies, or public institutions. For example, the American Indian Science and Engineering Society (AISES) offers the Henry Rodriguez Reclamation Scholarship worth $5,000 per year, while the Hispanic Scholarship Fund awards up to $5,000 annually to eligible students.
Graduate students may receive fellowships or graduate assistantships, which often come with tuition waivers and monthly stipends in exchange for teaching or research work. State-based programs like Cal Grant in California and institutional scholarships from universities can also reduce overall costs.
Some students consider pairing their engineering background with business credentials through an accelerated MBA, which can open doors to management roles in sustainable industries. These programs often accept STEM graduates and can be completed in as little as one year.
What are the prerequisites for enrolling in an environmental engineering degree program?
Here are the common prerequisites for enrolling in an undergraduate environmental engineering degree program:
- High school diploma with strong STEM background: Students need coursework in mathematics (algebra, geometry, trigonometry, and calculus), chemistry, biology, and physics. These form the foundation for core engineering subjects.
- Solid GPA and test scores: Many programs look for strong grades in these science and math classes. Some also consider scores from the SAT or ACT, though test-optional schools may place more weight on GPA.
- College-level transfer credits: Transfer students often need equivalent courses in calculus, physics, chemistry, or statics. A 2.0–2.5 GPA in these prerequisites is usually required, though admitted students often exceed those minimums.
What courses are typically in an environmental engineering degree program?
A typical environmental engineering bachelor’s degree includes courses in mathematics, basic sciences, engineering fundamentals, and environmental systems. Students usually start with subjects like calculus, physics, chemistry, and biology to build a strong foundation. As they progress, they take engineering-focused courses such as fluid mechanics, environmental chemistry, and water treatment design.
Programs may also include lab work and a senior design project that allows students to apply what they’ve learned to real-world problems. If you're still exploring options, note that courses may be similar to programs like best-value online applied sciences programs, especially in the first two years.
Programs accredited by ABET often structure their credits into roughly 38-44 hours of math and science plus 63 hours of specialized environmental engineering studies, totaling around 131 credits. This ensures that students not only understand theoretical concepts but also gain hands-on experience through labs and field or virtual work. This curriculum design prepares graduates for professional licensure, advanced study, or technical roles in industry or government.
For students still exploring options, it may be helpful to look into related fields like environmental biology to see if the courses and career paths are a better fit. For instance, the average environmental biologist salary in the US is about $71,000 annually, which reflects strong demand in that area.
How are practical, hands-on experiences integrated into online environmental engineering programs?
Online environmental engineering programs integrate practical experiences through a mix of virtual labs, remote access to real equipment, hands-on kits, and collaborative projects. Students use virtual labs and simulations to test theories and run experiments in a flexible, self‑paced environment.
Some universities offer remote-access labs, where students control actual equipment via the internet. For instance, a collaborative virtual lab featuring a geo-centrifuge enables students to conduct real geotechnical experiments remotely, mimicking on-campus lab conditions with real-time data and visuals. These setups give them authentic technical exposure without campus visits.
Certain programs also ship lab-in-a-box kits containing sensors, test strips, and other materials for home experiments, like coliform or algal testing activities, so students can conduct key exercises offline. This blend of virtual, remote, and physical experiences equips graduates with the practical skills needed for engineering careers.

What types of specializations are available in an online environmental engineering degree program?
Online environmental engineering degree programs often offer a variety of specializations that allow students to deepen their expertise in areas aligned with their career goals. Common tracks include water resources and sustainability, air quality engineering, hazardous waste management, and environmental health and safety.
For students looking to focus specifically on sustainability while keeping costs low, exploring the cheapest online bachelor's degree in sustainability can be a practical starting point.
For example, the University of Illinois program offers five focused areas like Energy & Environmental Sustainability, Public Health Engineering, and One Water. These specializations involve taking targeted electives; students often choose 14% to 80% of their own technical courses, with a median of 44% flexibility in curriculum choices.
Graduate-level programs expand these options further, with specialized tracks in hydroclimatology, environmental fluid mechanics, bioremediation, and groundwater modeling. These allow students to align their studies closely with fields like climate adaptation, ecosystem restoration, or water security.
Graduates say these niche courses helped shape their career paths. As one recent online graduate noted, choosing a water resources specialization “led directly to opportunities designing stormwater systems and stream restoration projects” in her hometown. This hands-on focus equips students to enter specialized roles in consulting firms, government agencies, or research labs.
When choosing an online environmental engineering program, students should focus on a few key factors to ensure quality and long-term value:
Students exploring career leadership beyond engineering may also consider online DBA programs. These programs are especially useful for those interested in managing engineering teams, launching green tech ventures, or influencing environmental policy from a business perspective.
What sets online environmental engineering apart from other online technical degrees?
Online environmental engineering programs are distinguished by their focus on applying engineering principles directly to sustainability challenges, public health protection, and regulatory compliance. These programs place strong emphasis on designing practical solutions for issues such as water treatment, waste management, and pollution control – a contrast to other technical online degrees that may prioritize creative or digital innovation. For example, while fields like game development foster digital creativity and interactive design as seen at online colleges for game design, environmental engineering equips students with technical and scientific expertise tailored to addressing real-world ecological and infrastructural challenges. This specialized approach ensures that graduates can immediately contribute to sustainable practices, with an emphasis on measurable outcomes in community safety and environmental quality.
Are online environmental engineering programs accredited and do they support licensure?
Accreditation ensures that an online environmental engineering program meets rigorous academic and industry standards. Prospective students should verify if a program is accredited by recognized bodies, such as ABET, to confirm that the curriculum is designed to develop the technical and analytical skills required in the field. Additionally, check whether the program’s structure supports the prerequisites for professional licensure, including preparation for the Fundamentals of Engineering (FE) and Professional Engineer (PE) examinations. A program that integrates industry partnerships and offers specialized certification tracks can further enhance career readiness. For a comparative perspective on quality standards in STEM education, consider taking online biochemistry degree offerings, which follow similar criteria for academic excellence and professional validation.
What challenges are associated with earning an online environmental engineering degree?
One of the primary challenges is adapting to a predominantly self-directed learning environment, which requires robust time management and technical skills to effectively engage with virtual labs and remote collaboration tools. Additionally, procuring hands-on experience can be limited compared to traditional on-campus settings, potentially affecting practical skill development. Strategic partnerships, mentorship opportunities, and supplementary programs can help bridge this experience gap. For instance, supplementing your technical knowledge with complementary leadership training—such as the most affordable engineering management masters degree online—can enhance project management capabilities in complex environmental projects.
How do you choose an online environmental engineering degree program?
- Accreditation from the ABET: The Accreditation Board for Engineering and Technology (ABET) seal ensures the program meets high industry standards. Accreditation is essential for licensure and is widely recognized by employers.
- Institutional reputation: A degree from a respected brick-and-mortar university with strong online offerings is viewed more favorably. One study found that 92% of employers prefer online degrees from traditional schools over online-only colleges.
- Curriculum relevance and faculty expertise: Students should verify that the program covers core environmental engineering topics and that courses are taught by experienced faculty. Employers value industry-aligned coursework: 65% of hiring managers prioritize practical, applicable skills over just a degree.
- Job placement rates and employer acceptance: According to the National Association of Colleges and Employers, 87.4% of employers hire graduates with online degrees, and 100% of them get paid the same starting salary as on-campus graduates. This data shows employers are not only open to hiring online graduates but also value them equally.
- Support services and flexibility: Top programs offer virtual labs, career counseling, and flexible scheduling. This makes it easier for working professionals to complete their studies successfully.
What career paths are available for graduates of online environmental engineering degree programs?
Graduates with an online environmental engineering degree can explore many varied and meaningful career paths that address environmental challenges across industries and sectors.
They can work in water quality management, pollution control, or sustainable design. Similar to careers for those with the cheapest online geosciences degree, roles often involve fieldwork, data analysis, and regulatory compliance in both public and private sectors.
- Environmental Engineer: Designs systems for water treatment, air pollution control, and sustainability. Entry-level professionals earn an average of $75,000 per year in the US.
- Water Resources Engineer: Focuses on water supply, flood control, and watershed management. The national average salary is about $83,700, with typical ranges from $102,000 to $127,000.
- Hazardous Waste Engineer: Specializes in handling and remediating toxic materials and waste sites. The annual median pay for this role is around $122,000.
- Environmental Consultant: Advises on regulatory compliance, sustainability initiatives, and impact assessments. Entry-level salaries typically range from $75,000 to $95,000.
- Environmental Project Manager: Leads multi-disciplinary teams on large environmental or infrastructure projects. Senior project managers in consulting can earn well over $103,500 annually.
What is the job market for graduates with an online environmental engineering degree?
The job market for graduates with an online environmental engineering degree is strong and steadily expanding, thanks to a growing global focus on sustainability and infrastructure resilience. According to the US BLS, employment in environmental engineering is projected to grow 7% from 2023 to 2033, which is faster than the average for all occupations. This growth equates to about 3,000 new jobs each year, reflecting consistent demand for roles in water treatment, pollution control, and remediation.
Globally, green job growth is also significant: the World Economic Forum predicts that climate-change adaptation will generate 5 million net new jobs by 2030, and mitigation efforts will add another 3 million. This wide-scale shift reinforces sustained demand for environmental engineers in renewable energy, sustainable infrastructure, and climate-focused consulting.
Related fields such as conservation also see promising prospects. The average conservationist salary in the US is about $68,230 per year. These overlapping roles show the broad range of well-paying opportunities available to environmentally focused graduates.
Here's What Graduates Have to Say About Their Environmental Engineering Degree
"The flexibility of the online format was key for me as a parent of two. I could log in after bedtime and still engage in group work, lab simulations, and capstone projects that pushed my critical thinking. I never felt like I was missing out." – Jasper
"I focused on water resources engineering and took online electives in climate modeling that weren’t even offered locally. The program’s structure gave me the space to explore a niche I now work in—supporting drought resilience planning across the Southwest.” – Christopher
“Studying environmental engineering online let me balance my full-time job at a municipal water agency while finishing my degree. I appreciated how real-world projects were tied to current environmental regulations, which made what I learned immediately useful at work.” – Howard
Key Findings
- Online environmental engineering degrees are growing in popularity due to their flexibility and accessibility, with many students able to study while working or managing other responsibilities.
- The average cost of an online bachelor's in environmental engineering ranges from $30,000 to $60,000, with some public universities offering programs for much less.
- Employment in environmental engineering is projected to grow 7% from 2023 to 2033, faster than average, according to the US Bureau of Labor Statistics.
- Graduates can pursue careers in water resources, air quality, hazardous waste, and environmental consulting, with entry-level salaries averaging over $76,000.
- Most online programs include lab simulations and fieldwork requirements, often coordinated locally or through short-term campus visits.
- Students can specialize in areas like sustainability, water treatment, or environmental policy, depending on the program’s elective offerings and project opportunities.
Other Things You Should Know About an Online Environmental Engineering Degree
What is the difference between environmental engineering and ecological engineering?
While both fields overlap, ecological engineering emphasizes integrated, nature-based solutions. Environmental engineering tends to focus more on technical, infrastructure-based approaches like treatment facilities and pollution-control equipment.
Environmental engineering focuses on applying scientific and engineering principles, such as chemistry, hydraulics, and waste-management design, to protect public health and improve environmental quality. Professionals in this field typically design municipal water-treatment systems, control air pollution, remediate contaminated sites, and ensure regulatory compliance.
In contrast, ecological engineering is more ecosystem-centered. It aims to design, restore, and manage sustainable ecosystems like constructed wetlands, green infrastructure, and landscape restoration projects. It uses natural processes and system-level thinking, often mimicking habitats to solve environmental problems and balance human and ecological needs.
How hard is environmental engineering?
Environmental engineering can be challenging, but the level of difficulty depends on a student’s background, strengths, and interests. The degree requires a solid understanding of math, chemistry, physics, and biology, as well as engineering fundamentals like fluid mechanics and thermodynamics. Students must also apply this knowledge to real-world problems, such as designing water treatment systems or evaluating air pollution control methods.
What makes it demanding is the balance of technical coursework and problem-solving related to environmental regulations, public health, and sustainability. However, many students find the work rewarding because it leads to a tangible, meaningful impact. Those who enjoy science, systems thinking, and solving practical problems often find environmental engineering both manageable and fulfilling.
What do you do with an Environmental Engineering degree?
With an environmental engineering degree, graduates can work in a variety of roles that focus on solving environmental problems and promoting sustainability. They may design systems for water and wastewater treatment, manage hazardous waste disposal, or develop solutions to reduce air pollution. Some work in regulatory compliance, helping companies meet environmental laws, while others consult on environmental impact for construction or energy projects.
Graduates can also specialize in areas like climate resilience, sustainable infrastructure, or green technology. Many work in government agencies, private engineering firms, or nonprofit environmental organizations.
Is Environmental Engineering in demand in the USA?
The job market for graduates with an online environmental engineering degree is strong and continues to expand across the US. According to Data USA, there were 33,070 environmental engineers employed nationwide in 2022, reflecting a 13% workforce growth since 2014. These numbers show that environmental engineers, whether they earned their degree online or on campus, are well-positioned to find meaningful work.
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