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Freelance Environmental Science Sustainability Jobs

The Sustainability Grid

$150 - $200/hr

Master's or PhD in climate science, environmental science, sustainability, industrial ecology, or another relevant quantitative discipline. * 5+ years of experience in corporate sustainability ...

ABB

Environmental & Sustainability Specialist

Senatobia, MS · On-site

$98K - $113K/yr

Bachelor's degree in Environmental Science, Sustainability, Engineering, Industrial Engineering, Manufacturing, Energy Management, or a related field, AND 2yrs experience.(required) * Strong ...

ABB

Environmental & Sustainability Specialist

Senatobia, MS · On-site

$98K - $113K/yr

Bachelor's degree in Environmental Science, Sustainability, Engineering, Industrial Engineering, Manufacturing, Energy Management, or a related field, AND 2yrs experience.(required) * Strong ...

GEO Academies

Environmental Science

Baton Rouge, LA · On-site

$63K - $83K/yr

An environmental science teacher educates students on the impact of human activities on natural ecosystems, covering issues like climate change, pollution, and sustainability . They design curricula ...

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Freelance Environmental Science Sustainability information

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$42.5K

$122.6K

$138.5K

How much do freelance environmental science sustainability jobs pay per year?

As of Sep 8, 2026, the average yearly pay for freelance environmental science sustainability in the United States is $122,624.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,500.00 and $138,000.00 per year, depending on experience, location, and employer.

What is the difference between Freelance Environmental Science Sustainability vs Environmental Consultant?

AspectFreelance Environmental Science SustainabilityEnvironmental Consultant
CredentialsRelevant degrees, certifications in sustainability, environmental scienceSimilar credentials, often with additional industry-specific certifications
Work EnvironmentIndependent, remote or on-site projects for various clientsEmployed by consulting firms or as independent consultants, on client sites
Employer & Industry UsageFreelancers serve multiple clients across industriesConsulting firms, government agencies, private companies

Freelance Environmental Science Sustainability professionals typically work independently on diverse projects, leveraging their expertise in sustainability practices. Environmental Consultants often work within firms or as independent experts, providing specialized advice to organizations. Both roles require similar credentials but differ mainly in employment structure and project scope.

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Cities with the most Freelance Environmental Science Sustainability job openings:

What are the most commonly searched types of Environmental Science Sustainability jobs?

The most popular types of Environmental Science Sustainability jobs are:

What states have the most Freelance Environmental Science Sustainability jobs?

States with the most job openings for Freelance Environmental Science Sustainability jobs include:

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The top searched job categories for Freelance Environmental Science Sustainability jobs are:

Freelance Environmental Science Sustainability jobs near you
Infographic showing various Freelance Environmental Science Sustainability job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 77% Full Time, 19% Part Time, and 2% Contract. Highlights an 75% Physical, 3% Hybrid, and 22% Remote job distribution, with an average salary of $122,624 per year, or $59 per hour.

Part Time Faculty in Environmental Science & Sustainability

San Antonio, TX • On-site

St. Mary's University
See more jobs at St. Mary's Universityexternal

Full-time, Part-time

Re-posted 14 days ago

Job description

St. Mary's University of San Antonio, a private, Catholic and Marianist university invites applications for a part-time instructor (term) position in the Department of Environmental Science & Sustainability beginning January 2027. We are seeking a professional with experience working in the discipline of environmental policy and regulation to teach a 3-semester hour class titled ES 3320 - Environmental Policy and Regulation. The course is required for all Environmental Science majors and will be offered during the Spring 2027 semester.Qualifications:MS in Environmental Science with experience working with Environmental Assessment and regulatory compliance, or JD with experience working with Environmental LawsExperience teaching undergraduates at the university level preferredResponsibilities:Teach one evening section of an Environmental Policy and Regulation courseContribute to the University's Marianist educational mission (https://marianistuniversities.org/)About the DepartmentThe Department of Environmental Science & Sustainability (https://www.stmarytx.edu/academics/department/environmental-science-sustainability/)currently employs 3 full-time faculty and two adjunct faculty. Faculty teach courses for undergraduate majors as well as other undergraduate students at the university. Class sizes in the department are small with an average student-faculty ratio of 16:1. The department is active in undergraduate research and strives to provide students with a multidisciplinary education. Faculty are invested in positively impacting students' lives through strong mentorship, exemplary teaching and commitment to community and industry engagement.About the UniversitySt. Mary's University, as a Catholic Marianist University, fosters the formation of people in faith and educates leaders for the common good through community, integrated liberal arts and professional education, and academic excellence: www.stmarytx.edu/about. St. Mary's is the oldest Catholic university in the Southwest and continues to advocate the Marianist mission. St. Mary's enrolls approximately 3500 students in a diverse university with four schools, more than 40 academic programs including Ph.D. and J.D. programs, and numerous pre-professional programs. The successful candidate is expected to support and contribute to the University's Marianist educational mission.About San AntonioSan Antonio, the 6th largest city in the nation, is located in south-central Texas and is one of the top ten fastest-growing cities in the country with the San Antonio-Austin corridor described as the "New Major Metropolis" by major news media. With around 1.5 million residents, it has experienced extensive growth in population, economic development and workforce development. San Antonio (https://www.sanantonio.gov) is home to The Alamo and other Spanish missions, the famous River Walk lined with cafes and shops, the Tower of the Americas which overlooks the city, and many other cultural and artistic attractions.To apply:For more information, visit the university web site at www.stmarytx.edu or contact Dr. Evelynn Mitchell, Chair of the Department of Environmental Science & Sustainability, emitchell1@stmarytx.edu, or 210-431-8030. Applicants should electronically submit the employment application available at http://stmarytx.applicantpro.com/jobs/. Along with the employment application, please also submit a curriculum vita. Additional information will be requested if hired.Electronic submission of applications and all other materials is strongly encouraged. Incomplete applications will not be considered. Review of applications will begin during the Spring 2026 semester, and will continue on a rolling basis. Any offer of employment for an adjunct position is contingent upon successful completion of a clear background check.St. Mary's University is a Hispanic-Serving Institution and an Equal Opportunity Employer.
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